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diff --git a/src/global/mail_params.h b/src/global/mail_params.h
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+#ifndef _MAIL_PARAMS_H_INCLUDED_
+#define _MAIL_PARAMS_H_INCLUDED_
+
+/*++
+/* NAME
+/* mail_params 3h
+/* SUMMARY
+/* globally configurable parameters
+/* SYNOPSIS
+/* #include <mail_params.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+ * This is to make it easier to auto-generate tables.
+ */
+typedef int bool;
+
+#ifdef USE_TLS
+#include <openssl/opensslv.h> /* OPENSSL_VERSION_NUMBER */
+#include <openssl/objects.h> /* SN_* and NID_* macros */
+#if OPENSSL_VERSION_NUMBER < 0x1000200fUL
+#error "OpenSSL releases prior to 1.0.2 are no longer supported"
+#endif
+#endif
+
+ /*
+ * Name used when this mail system announces itself.
+ */
+#define VAR_MAIL_NAME "mail_name"
+#define DEF_MAIL_NAME "Postfix"
+extern char *var_mail_name;
+
+ /*
+ * You want to be helped or not.
+ */
+#define VAR_HELPFUL_WARNINGS "helpful_warnings"
+#define DEF_HELPFUL_WARNINGS 1
+extern bool var_helpful_warnings;
+
+ /*
+ * You want to be helped or not.
+ */
+#define VAR_SHOW_UNK_RCPT_TABLE "show_user_unknown_table_name"
+#define DEF_SHOW_UNK_RCPT_TABLE 1
+extern bool var_show_unk_rcpt_table;
+
+ /*
+ * Compatibility level and migration support. Update postconf(5),
+ * COMPATIBILITY_README, and conf/main.cf when updating the current
+ * compatibility level.
+ */
+#define VAR_COMPAT_LEVEL "compatibility_level"
+#define DEF_COMPAT_LEVEL 0
+#define CUR_COMPAT_LEVEL 2
+extern int var_compat_level;
+
+extern int warn_compat_break_app_dot_mydomain;
+extern int warn_compat_break_smtputf8_enable;
+extern int warn_compat_break_chroot;
+extern int warn_compat_break_relay_restrictions; /* Postfix 2.10. */
+
+extern int warn_compat_break_relay_domains;
+extern int warn_compat_break_flush_domains;
+extern int warn_compat_break_mynetworks_style;
+
+ /*
+ * What problem classes should be reported to the postmaster via email.
+ * Default is bad problems only. See mail_error(3). Even when mail notices
+ * are disabled, problems are still logged to the syslog daemon.
+ *
+ * Do not add "protocol" to the default setting. It gives Postfix a bad
+ * reputation: people get mail whenever spam software makes a mistake.
+ */
+#define VAR_NOTIFY_CLASSES "notify_classes"
+#define DEF_NOTIFY_CLASSES "resource, software" /* Not: "protocol" */
+extern char *var_notify_classes;
+
+ /*
+ * What do I turn <> into? Sendmail defaults to mailer-daemon.
+ */
+#define VAR_EMPTY_ADDR "empty_address_recipient"
+#define DEF_EMPTY_ADDR MAIL_ADDR_MAIL_DAEMON
+extern char *var_empty_addr;
+
+ /*
+ * Privileges used by the mail system: the owner of files and commands, and
+ * the rights to be used when running external commands.
+ */
+#define VAR_MAIL_OWNER "mail_owner"
+#define DEF_MAIL_OWNER "postfix"
+extern char *var_mail_owner;
+extern uid_t var_owner_uid;
+extern gid_t var_owner_gid;
+
+#define VAR_SGID_GROUP "setgid_group"
+#define DEF_SGID_GROUP "postdrop"
+extern char *var_sgid_group;
+extern gid_t var_sgid_gid;
+
+#define VAR_DEFAULT_PRIVS "default_privs"
+#define DEF_DEFAULT_PRIVS "nobody"
+extern char *var_default_privs;
+extern uid_t var_default_uid;
+extern gid_t var_default_gid;
+
+ /*
+ * Access control for local privileged operations:
+ */
+#define STATIC_ANYONE_ACL "static:anyone"
+
+#define VAR_FLUSH_ACL "authorized_flush_users"
+#define DEF_FLUSH_ACL STATIC_ANYONE_ACL
+extern char *var_flush_acl;
+
+#define VAR_SHOWQ_ACL "authorized_mailq_users"
+#define DEF_SHOWQ_ACL STATIC_ANYONE_ACL
+extern char *var_showq_acl;
+
+#define VAR_SUBMIT_ACL "authorized_submit_users"
+#define DEF_SUBMIT_ACL STATIC_ANYONE_ACL
+extern char *var_submit_acl;
+
+ /*
+ * What goes on the right-hand side of addresses of mail sent from this
+ * machine.
+ */
+#define VAR_MYORIGIN "myorigin"
+#define DEF_MYORIGIN "$myhostname"
+extern char *var_myorigin;
+
+ /*
+ * What domains I will receive mail for. Not to be confused with transit
+ * mail to other destinations.
+ */
+#define VAR_MYDEST "mydestination"
+#define DEF_MYDEST "$myhostname, localhost.$mydomain, localhost"
+extern char *var_mydest;
+
+ /*
+ * These are by default taken from the name service.
+ */
+#define VAR_MYHOSTNAME "myhostname" /* my hostname (fqdn) */
+extern char *var_myhostname;
+
+#define VAR_MYDOMAIN "mydomain" /* my domain name */
+#define DEF_MYDOMAIN "localdomain"
+extern char *var_mydomain;
+
+ /*
+ * The default local delivery transport.
+ */
+#define VAR_LOCAL_TRANSPORT "local_transport"
+#define DEF_LOCAL_TRANSPORT MAIL_SERVICE_LOCAL ":$myhostname"
+extern char *var_local_transport;
+
+ /*
+ * Where to send postmaster copies of bounced mail, and other notices.
+ */
+#define VAR_BOUNCE_RCPT "bounce_notice_recipient"
+#define DEF_BOUNCE_RCPT "postmaster"
+extern char *var_bounce_rcpt;
+
+#define VAR_2BOUNCE_RCPT "2bounce_notice_recipient"
+#define DEF_2BOUNCE_RCPT "postmaster"
+extern char *var_2bounce_rcpt;
+
+#define VAR_DELAY_RCPT "delay_notice_recipient"
+#define DEF_DELAY_RCPT "postmaster"
+extern char *var_delay_rcpt;
+
+#define VAR_ERROR_RCPT "error_notice_recipient"
+#define DEF_ERROR_RCPT "postmaster"
+extern char *var_error_rcpt;
+
+ /*
+ * Virtual host support. Default is to listen on all machine interfaces.
+ */
+#define VAR_INET_INTERFACES "inet_interfaces" /* listen addresses */
+#define INET_INTERFACES_ALL "all"
+#define INET_INTERFACES_LOCAL "loopback-only"
+#define DEF_INET_INTERFACES INET_INTERFACES_ALL
+extern char *var_inet_interfaces;
+
+#define VAR_PROXY_INTERFACES "proxy_interfaces" /* proxies, NATs */
+#define DEF_PROXY_INTERFACES ""
+extern char *var_proxy_interfaces;
+
+ /*
+ * Masquerading (i.e. subdomain stripping).
+ */
+#define VAR_MASQ_DOMAINS "masquerade_domains"
+#define DEF_MASQ_DOMAINS ""
+extern char *var_masq_domains;
+
+#define VAR_MASQ_EXCEPTIONS "masquerade_exceptions"
+#define DEF_MASQ_EXCEPTIONS ""
+extern char *var_masq_exceptions;
+
+#define MASQ_CLASS_ENV_FROM "envelope_sender"
+#define MASQ_CLASS_ENV_RCPT "envelope_recipient"
+#define MASQ_CLASS_HDR_FROM "header_sender"
+#define MASQ_CLASS_HDR_RCPT "header_recipient"
+
+#define VAR_MASQ_CLASSES "masquerade_classes"
+#define DEF_MASQ_CLASSES MASQ_CLASS_ENV_FROM ", " \
+ MASQ_CLASS_HDR_FROM ", " \
+ MASQ_CLASS_HDR_RCPT
+extern char *var_masq_classes;
+
+ /*
+ * Intranet versus internet.
+ */
+#define VAR_RELAYHOST "relayhost"
+#define DEF_RELAYHOST ""
+extern char *var_relayhost;
+
+#define VAR_SND_RELAY_MAPS "sender_dependent_relayhost_maps"
+#define DEF_SND_RELAY_MAPS ""
+extern char *var_snd_relay_maps;
+
+#define VAR_NULL_RELAY_MAPS_KEY "empty_address_relayhost_maps_lookup_key"
+#define DEF_NULL_RELAY_MAPS_KEY "<>"
+extern char *var_null_relay_maps_key;
+
+#define VAR_SMTP_FALLBACK "smtp_fallback_relay"
+#define DEF_SMTP_FALLBACK "$fallback_relay"
+#define VAR_LMTP_FALLBACK "lmtp_fallback_relay"
+#define DEF_LMTP_FALLBACK ""
+#define DEF_FALLBACK_RELAY ""
+extern char *var_fallback_relay;
+
+#define VAR_DISABLE_DNS "disable_dns_lookups"
+#define DEF_DISABLE_DNS 0
+extern bool var_disable_dns;
+
+#define SMTP_DNS_SUPPORT_DISABLED "disabled"
+#define SMTP_DNS_SUPPORT_ENABLED "enabled"
+#define SMTP_DNS_SUPPORT_DNSSEC "dnssec"
+
+#define VAR_SMTP_DNS_SUPPORT "smtp_dns_support_level"
+#define DEF_SMTP_DNS_SUPPORT ""
+#define VAR_LMTP_DNS_SUPPORT "lmtp_dns_support_level"
+#define DEF_LMTP_DNS_SUPPORT ""
+extern char *var_smtp_dns_support;
+
+#define SMTP_HOST_LOOKUP_DNS "dns"
+#define SMTP_HOST_LOOKUP_NATIVE "native"
+
+#define VAR_SMTP_HOST_LOOKUP "smtp_host_lookup"
+#define DEF_SMTP_HOST_LOOKUP SMTP_HOST_LOOKUP_DNS
+#define VAR_LMTP_HOST_LOOKUP "lmtp_host_lookup"
+#define DEF_LMTP_HOST_LOOKUP SMTP_HOST_LOOKUP_DNS
+extern char *var_smtp_host_lookup;
+
+#define SMTP_DNS_RES_OPT_DEFNAMES "res_defnames"
+#define SMTP_DNS_RES_OPT_DNSRCH "res_dnsrch"
+
+#define VAR_SMTP_DNS_RES_OPT "smtp_dns_resolver_options"
+#define DEF_SMTP_DNS_RES_OPT ""
+#define VAR_LMTP_DNS_RES_OPT "lmtp_dns_resolver_options"
+#define DEF_LMTP_DNS_RES_OPT ""
+extern char *var_smtp_dns_res_opt;
+
+#define VAR_SMTP_MXADDR_LIMIT "smtp_mx_address_limit"
+#define DEF_SMTP_MXADDR_LIMIT 5
+#define VAR_LMTP_MXADDR_LIMIT "lmtp_mx_address_limit"
+#define DEF_LMTP_MXADDR_LIMIT 5
+extern int var_smtp_mxaddr_limit;
+
+#define VAR_SMTP_MXSESS_LIMIT "smtp_mx_session_limit"
+#define DEF_SMTP_MXSESS_LIMIT 2
+#define VAR_LMTP_MXSESS_LIMIT "lmtp_mx_session_limit"
+#define DEF_LMTP_MXSESS_LIMIT 2
+extern int var_smtp_mxsess_limit;
+
+ /*
+ * Location of the mail queue directory tree.
+ */
+#define VAR_QUEUE_DIR "queue_directory"
+#ifndef DEF_QUEUE_DIR
+#define DEF_QUEUE_DIR "/var/spool/postfix"
+#endif
+extern char *var_queue_dir;
+
+ /*
+ * Location of command and daemon programs.
+ */
+#define VAR_DAEMON_DIR "daemon_directory"
+#ifndef DEF_DAEMON_DIR
+#define DEF_DAEMON_DIR "/usr/libexec/postfix"
+#endif
+extern char *var_daemon_dir;
+
+#define VAR_COMMAND_DIR "command_directory"
+#ifndef DEF_COMMAND_DIR
+#define DEF_COMMAND_DIR "/usr/sbin"
+#endif
+extern char *var_command_dir;
+
+ /*
+ * Location of PID files.
+ */
+#define VAR_PID_DIR "process_id_directory"
+#ifndef DEF_PID_DIR
+#define DEF_PID_DIR "pid"
+#endif
+extern char *var_pid_dir;
+
+ /*
+ * Location of writable data files.
+ */
+#define VAR_DATA_DIR "data_directory"
+#ifndef DEF_DATA_DIR
+#define DEF_DATA_DIR "/var/lib/postfix"
+#endif
+extern char *var_data_dir;
+
+ /*
+ * Program startup time.
+ */
+extern time_t var_starttime;
+
+ /*
+ * Location of configuration files.
+ */
+#define VAR_CONFIG_DIR "config_directory"
+#ifndef DEF_CONFIG_DIR
+#define DEF_CONFIG_DIR "/etc/postfix"
+#endif
+extern char *var_config_dir;
+
+#define VAR_CONFIG_DIRS "alternate_config_directories"
+#define DEF_CONFIG_DIRS ""
+extern char *var_config_dirs;
+
+#define MAIN_CONF_FILE "main.cf"
+#define MASTER_CONF_FILE "master.cf"
+
+ /*
+ * Preferred type of indexed files. The DEF_DB_TYPE macro value is system
+ * dependent. It is defined in <sys_defs.h>.
+ */
+#define VAR_DB_TYPE "default_database_type"
+extern char *var_db_type;
+
+ /*
+ * What syslog facility to use. Unfortunately, something may have to be
+ * logged before parameters are read from the main.cf file. This logging
+ * will go the LOG_FACILITY facility specified below.
+ */
+#define VAR_SYSLOG_FACILITY "syslog_facility"
+extern char *var_syslog_facility;
+
+#ifndef DEF_SYSLOG_FACILITY
+#define DEF_SYSLOG_FACILITY "mail"
+#endif
+
+#ifndef LOG_FACILITY
+#define LOG_FACILITY LOG_MAIL
+#endif
+
+ /*
+ * Big brother: who receives a blank-carbon copy of all mail that enters
+ * this mail system.
+ */
+#define VAR_ALWAYS_BCC "always_bcc"
+#define DEF_ALWAYS_BCC ""
+extern char *var_always_bcc;
+
+ /*
+ * What to put in the To: header when no recipients were disclosed.
+ *
+ * XXX 2822: When no recipient headers remain, a system should insert a Bcc:
+ * header without additional information. That is not so great given that
+ * MTAs routinely strip Bcc: headers from message headers.
+ */
+#define VAR_RCPT_WITHELD "undisclosed_recipients_header"
+#define DEF_RCPT_WITHELD ""
+extern char *var_rcpt_witheld;
+
+ /*
+ * Add missing headers. Postfix 2.6 no longer adds headers to remote mail by
+ * default.
+ */
+#define VAR_ALWAYS_ADD_HDRS "always_add_missing_headers"
+#define DEF_ALWAYS_ADD_HDRS 0
+extern bool var_always_add_hdrs;
+
+ /*
+ * Dropping message headers.
+ */
+#define VAR_DROP_HDRS "message_drop_headers"
+#define DEF_DROP_HDRS "bcc, content-length, resent-bcc, return-path"
+extern char *var_drop_hdrs;
+
+ /*
+ * From: header format: we provide canned versions only, no Sendmail-style
+ * macro expansions.
+ */
+#define HFROM_FORMAT_NAME_STD "standard" /* From: name <address> */
+#define HFROM_FORMAT_NAME_OBS "obsolete" /* From: address (name) */
+#define VAR_HFROM_FORMAT "header_from_format"
+#define DEF_HFROM_FORMAT HFROM_FORMAT_NAME_STD
+extern char *var_hfrom_format;
+
+ /*
+ * Standards violation: allow/permit RFC 822-style addresses in SMTP
+ * commands.
+ */
+#define VAR_STRICT_RFC821_ENV "strict_rfc821_envelopes"
+#define DEF_STRICT_RFC821_ENV 0
+extern bool var_strict_rfc821_env;
+
+ /*
+ * Standards violation: send "250 AUTH=list" in order to accommodate clients
+ * that implement an old version of the protocol.
+ */
+#define VAR_BROKEN_AUTH_CLNTS "broken_sasl_auth_clients"
+#define DEF_BROKEN_AUTH_CLNTS 0
+extern bool var_broken_auth_clients;
+
+ /*
+ * Standards violation: disable VRFY.
+ */
+#define VAR_DISABLE_VRFY_CMD "disable_vrfy_command"
+#define DEF_DISABLE_VRFY_CMD 0
+extern bool var_disable_vrfy_cmd;
+
+ /*
+ * trivial rewrite/resolve service: mapping tables.
+ */
+#define VAR_VIRT_ALIAS_MAPS "virtual_alias_maps"
+#define DEF_VIRT_ALIAS_MAPS "$virtual_maps" /* Compatibility! */
+extern char *var_virt_alias_maps;
+
+#define VAR_VIRT_ALIAS_DOMS "virtual_alias_domains"
+#define DEF_VIRT_ALIAS_DOMS "$virtual_alias_maps"
+extern char *var_virt_alias_doms;
+
+#define VAR_VIRT_ALIAS_CODE "unknown_virtual_alias_reject_code"
+#define DEF_VIRT_ALIAS_CODE 550
+extern int var_virt_alias_code;
+
+#define VAR_CANONICAL_MAPS "canonical_maps"
+#define DEF_CANONICAL_MAPS ""
+extern char *var_canonical_maps;
+
+#define VAR_SEND_CANON_MAPS "sender_canonical_maps"
+#define DEF_SEND_CANON_MAPS ""
+extern char *var_send_canon_maps;
+
+#define VAR_RCPT_CANON_MAPS "recipient_canonical_maps"
+#define DEF_RCPT_CANON_MAPS ""
+extern char *var_rcpt_canon_maps;
+
+#define CANON_CLASS_ENV_FROM "envelope_sender"
+#define CANON_CLASS_ENV_RCPT "envelope_recipient"
+#define CANON_CLASS_HDR_FROM "header_sender"
+#define CANON_CLASS_HDR_RCPT "header_recipient"
+
+#define VAR_CANON_CLASSES "canonical_classes"
+#define DEF_CANON_CLASSES CANON_CLASS_ENV_FROM ", " \
+ CANON_CLASS_ENV_RCPT ", " \
+ CANON_CLASS_HDR_FROM ", " \
+ CANON_CLASS_HDR_RCPT
+extern char *var_canon_classes;
+
+#define VAR_SEND_CANON_CLASSES "sender_canonical_classes"
+#define DEF_SEND_CANON_CLASSES CANON_CLASS_ENV_FROM ", " \
+ CANON_CLASS_HDR_FROM
+extern char *var_send_canon_classes;
+
+#define VAR_RCPT_CANON_CLASSES "recipient_canonical_classes"
+#define DEF_RCPT_CANON_CLASSES CANON_CLASS_ENV_RCPT ", " \
+ CANON_CLASS_HDR_RCPT
+extern char *var_rcpt_canon_classes;
+
+#define VAR_SEND_BCC_MAPS "sender_bcc_maps"
+#define DEF_SEND_BCC_MAPS ""
+extern char *var_send_bcc_maps;
+
+#define VAR_RCPT_BCC_MAPS "recipient_bcc_maps"
+#define DEF_RCPT_BCC_MAPS ""
+extern char *var_rcpt_bcc_maps;
+
+#define VAR_TRANSPORT_MAPS "transport_maps"
+#define DEF_TRANSPORT_MAPS ""
+extern char *var_transport_maps;
+
+#define VAR_DEF_TRANSPORT "default_transport"
+#define DEF_DEF_TRANSPORT MAIL_SERVICE_SMTP
+extern char *var_def_transport;
+
+#define VAR_SND_DEF_XPORT_MAPS "sender_dependent_" VAR_DEF_TRANSPORT "_maps"
+#define DEF_SND_DEF_XPORT_MAPS ""
+extern char *var_snd_def_xport_maps;
+
+#define VAR_NULL_DEF_XPORT_MAPS_KEY "empty_address_" VAR_DEF_TRANSPORT "_maps_lookup_key"
+#define DEF_NULL_DEF_XPORT_MAPS_KEY "<>"
+extern char *var_null_def_xport_maps_key;
+
+ /*
+ * trivial rewrite/resolve service: rewriting controls.
+ */
+#define VAR_SWAP_BANGPATH "swap_bangpath"
+#define DEF_SWAP_BANGPATH 1
+extern bool var_swap_bangpath;
+
+#define VAR_APP_AT_MYORIGIN "append_at_myorigin"
+#define DEF_APP_AT_MYORIGIN 1
+extern bool var_append_at_myorigin;
+
+#define VAR_APP_DOT_MYDOMAIN "append_dot_mydomain"
+#define DEF_APP_DOT_MYDOMAIN "${{$compatibility_level} < {1} ? " \
+ "{yes} : {no}}"
+extern bool var_append_dot_mydomain;
+
+#define VAR_PERCENT_HACK "allow_percent_hack"
+#define DEF_PERCENT_HACK 1
+extern bool var_percent_hack;
+
+ /*
+ * Local delivery: alias databases.
+ */
+#define VAR_ALIAS_MAPS "alias_maps"
+#ifdef HAS_NIS
+#define DEF_ALIAS_MAPS ALIAS_DB_MAP ", nis:mail.aliases"
+#else
+#define DEF_ALIAS_MAPS ALIAS_DB_MAP
+#endif
+extern char *var_alias_maps;
+
+ /*
+ * Local delivery: to BIFF or not to BIFF.
+ */
+#define VAR_BIFF "biff"
+#define DEF_BIFF 1
+extern bool var_biff;
+
+ /*
+ * Local delivery: mail to files/commands.
+ */
+#define VAR_ALLOW_COMMANDS "allow_mail_to_commands"
+#define DEF_ALLOW_COMMANDS "alias, forward"
+extern char *var_allow_commands;
+
+#define VAR_COMMAND_MAXTIME "command_time_limit"
+#define _MAXTIME "_time_limit"
+#define DEF_COMMAND_MAXTIME "1000s"
+extern int var_command_maxtime;
+
+#define VAR_ALLOW_FILES "allow_mail_to_files"
+#define DEF_ALLOW_FILES "alias, forward"
+extern char *var_allow_files;
+
+#define VAR_LOCAL_CMD_SHELL "local_command_shell"
+#define DEF_LOCAL_CMD_SHELL ""
+extern char *var_local_cmd_shell;
+
+#define VAR_ALIAS_DB_MAP "alias_database"
+#define DEF_ALIAS_DB_MAP ALIAS_DB_MAP /* sys_defs.h */
+extern char *var_alias_db_map;
+
+#define VAR_LUSER_RELAY "luser_relay"
+#define DEF_LUSER_RELAY ""
+extern char *var_luser_relay;
+
+ /*
+ * Local delivery: mailbox delivery.
+ */
+#define VAR_MAIL_SPOOL_DIR "mail_spool_directory"
+#ifndef DEF_MAIL_SPOOL_DIR
+#define DEF_MAIL_SPOOL_DIR _PATH_MAILDIR
+#endif
+extern char *var_mail_spool_dir;
+
+#define VAR_HOME_MAILBOX "home_mailbox"
+#define DEF_HOME_MAILBOX ""
+extern char *var_home_mailbox;
+
+#define VAR_MAILBOX_COMMAND "mailbox_command"
+#define DEF_MAILBOX_COMMAND ""
+extern char *var_mailbox_command;
+
+#define VAR_MAILBOX_CMD_MAPS "mailbox_command_maps"
+#define DEF_MAILBOX_CMD_MAPS ""
+extern char *var_mailbox_cmd_maps;
+
+#define VAR_MAILBOX_TRANSP "mailbox_transport"
+#define DEF_MAILBOX_TRANSP ""
+extern char *var_mailbox_transport;
+
+#define VAR_MBOX_TRANSP_MAPS "mailbox_transport_maps"
+#define DEF_MBOX_TRANSP_MAPS ""
+extern char *var_mbox_transp_maps;
+
+#define VAR_FALLBACK_TRANSP "fallback_transport"
+#define DEF_FALLBACK_TRANSP ""
+extern char *var_fallback_transport;
+
+#define VAR_FBCK_TRANSP_MAPS "fallback_transport_maps"
+#define DEF_FBCK_TRANSP_MAPS ""
+extern char *var_fbck_transp_maps;
+
+ /*
+ * Local delivery: path to per-user forwarding file.
+ */
+#define VAR_FORWARD_PATH "forward_path"
+#define DEF_FORWARD_PATH "$home/.forward${recipient_delimiter}${extension}, $home/.forward"
+extern char *var_forward_path;
+
+ /*
+ * Local delivery: external command execution directory.
+ */
+#define VAR_EXEC_DIRECTORY "command_execution_directory"
+#define DEF_EXEC_DIRECTORY ""
+extern char *var_exec_directory;
+
+#define VAR_EXEC_EXP_FILTER "execution_directory_expansion_filter"
+#define DEF_EXEC_EXP_FILTER "1234567890!@%-_=+:,./\
+abcdefghijklmnopqrstuvwxyz\
+ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+extern char *var_exec_exp_filter;
+
+ /*
+ * Mailbox locking. DEF_MAILBOX_LOCK is defined in sys_defs.h.
+ */
+#define VAR_MAILBOX_LOCK "mailbox_delivery_lock"
+extern char *var_mailbox_lock;
+
+ /*
+ * Mailbox size limit. This used to be enforced as a side effect of the way
+ * the message size limit is implemented, but that is not clean.
+ */
+#define VAR_MAILBOX_LIMIT "mailbox_size_limit"
+#define DEF_MAILBOX_LIMIT (DEF_MESSAGE_LIMIT * 5)
+extern long var_mailbox_limit;
+
+ /*
+ * Miscellaneous.
+ */
+#define VAR_PROP_EXTENSION "propagate_unmatched_extensions"
+#define DEF_PROP_EXTENSION "canonical, virtual"
+extern char *var_prop_extension;
+
+#define VAR_RCPT_DELIM "recipient_delimiter"
+#define DEF_RCPT_DELIM ""
+extern char *var_rcpt_delim;
+
+#define VAR_CMD_EXP_FILTER "command_expansion_filter"
+#define DEF_CMD_EXP_FILTER "1234567890!@%-_=+:,./\
+abcdefghijklmnopqrstuvwxyz\
+ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+extern char *var_cmd_exp_filter;
+
+#define VAR_FWD_EXP_FILTER "forward_expansion_filter"
+#define DEF_FWD_EXP_FILTER "1234567890!@%-_=+:,./\
+abcdefghijklmnopqrstuvwxyz\
+ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+extern char *var_fwd_exp_filter;
+
+#define VAR_DELIVER_HDR "prepend_delivered_header"
+#define DEF_DELIVER_HDR "command, file, forward"
+extern char *var_deliver_hdr;
+
+ /*
+ * Cleanup: enable support for X-Original-To message headers, which are
+ * needed for multi-recipient mailboxes. When this is turned on, perform
+ * duplicate elimination on (original rcpt, rewritten rcpt) pairs, and
+ * generating non-empty original recipient records in the queue file.
+ */
+#define VAR_ENABLE_ORCPT "enable_original_recipient"
+#define DEF_ENABLE_ORCPT 1
+extern bool var_enable_orcpt;
+
+#define VAR_EXP_OWN_ALIAS "expand_owner_alias"
+#define DEF_EXP_OWN_ALIAS 0
+extern bool var_exp_own_alias;
+
+#define VAR_STAT_HOME_DIR "require_home_directory"
+#define DEF_STAT_HOME_DIR 0
+extern bool var_stat_home_dir;
+
+ /*
+ * Cleanup server: maximal size of the duplicate expansion filter. By
+ * default, we do graceful degradation with huge mailing lists.
+ */
+#define VAR_DUP_FILTER_LIMIT "duplicate_filter_limit"
+#define DEF_DUP_FILTER_LIMIT 1000
+extern int var_dup_filter_limit;
+
+ /*
+ * Transport Layer Security (TLS) protocol support.
+ */
+#define VAR_TLS_MGR_SERVICE "tlsmgr_service_name"
+#define DEF_TLS_MGR_SERVICE "tlsmgr"
+extern char *var_tls_mgr_service;
+
+#define VAR_TLS_APPEND_DEF_CA "tls_append_default_CA"
+#define DEF_TLS_APPEND_DEF_CA 0 /* Postfix < 2.8 BC break */
+extern bool var_tls_append_def_CA;
+
+#define VAR_TLS_RAND_EXCH_NAME "tls_random_exchange_name"
+#define DEF_TLS_RAND_EXCH_NAME "${data_directory}/prng_exch"
+extern char *var_tls_rand_exch_name;
+
+#define VAR_TLS_RAND_SOURCE "tls_random_source"
+#ifdef PREFERRED_RAND_SOURCE
+#define DEF_TLS_RAND_SOURCE PREFERRED_RAND_SOURCE
+#else
+#define DEF_TLS_RAND_SOURCE ""
+#endif
+extern char *var_tls_rand_source;
+
+#define VAR_TLS_RAND_BYTES "tls_random_bytes"
+#define DEF_TLS_RAND_BYTES 32
+extern int var_tls_rand_bytes;
+
+#define VAR_TLS_DAEMON_RAND_BYTES "tls_daemon_random_bytes"
+#define DEF_TLS_DAEMON_RAND_BYTES 32
+extern int var_tls_daemon_rand_bytes;
+
+#define VAR_TLS_RESEED_PERIOD "tls_random_reseed_period"
+#define DEF_TLS_RESEED_PERIOD "3600s"
+extern int var_tls_reseed_period;
+
+#define VAR_TLS_PRNG_UPD_PERIOD "tls_random_prng_update_period"
+#define DEF_TLS_PRNG_UPD_PERIOD "3600s"
+extern int var_tls_prng_upd_period;
+
+ /*
+ * Queue manager: relocated databases.
+ */
+#define VAR_RELOCATED_MAPS "relocated_maps"
+#define DEF_RELOCATED_MAPS ""
+extern char *var_relocated_maps;
+
+ /*
+ * Queue manager: after each failed attempt the backoff time (how long we
+ * won't try this host in seconds) is doubled until it reaches the maximum.
+ * MAX_QUEUE_TIME limits the amount of time a message may spend in the mail
+ * queue before it is sent back.
+ */
+#define VAR_QUEUE_RUN_DELAY "queue_run_delay"
+#define DEF_QUEUE_RUN_DELAY "300s"
+
+#define VAR_MIN_BACKOFF_TIME "minimal_backoff_time"
+#define DEF_MIN_BACKOFF_TIME DEF_QUEUE_RUN_DELAY
+extern int var_min_backoff_time;
+
+#define VAR_MAX_BACKOFF_TIME "maximal_backoff_time"
+#define DEF_MAX_BACKOFF_TIME "4000s"
+extern int var_max_backoff_time;
+
+#define VAR_MAX_QUEUE_TIME "maximal_queue_lifetime"
+#define DEF_MAX_QUEUE_TIME "5d"
+extern int var_max_queue_time;
+
+ /*
+ * XXX The default can't be $maximal_queue_lifetime, because that panics
+ * when a non-default maximal_queue_lifetime setting contains no time unit.
+ */
+#define VAR_DSN_QUEUE_TIME "bounce_queue_lifetime"
+#define DEF_DSN_QUEUE_TIME "5d"
+extern int var_dsn_queue_time;
+
+#define VAR_DELAY_WARN_TIME "delay_warning_time"
+#define DEF_DELAY_WARN_TIME "0h"
+extern int var_delay_warn_time;
+
+#define VAR_DSN_DELAY_CLEARED "confirm_delay_cleared"
+#define DEF_DSN_DELAY_CLEARED 0
+extern int var_dsn_delay_cleared;
+
+ /*
+ * Queue manager: various in-core message and recipient limits.
+ */
+#define VAR_QMGR_ACT_LIMIT "qmgr_message_active_limit"
+#define DEF_QMGR_ACT_LIMIT 20000
+extern int var_qmgr_active_limit;
+
+#define VAR_QMGR_RCPT_LIMIT "qmgr_message_recipient_limit"
+#define DEF_QMGR_RCPT_LIMIT 20000
+extern int var_qmgr_rcpt_limit;
+
+#define VAR_QMGR_MSG_RCPT_LIMIT "qmgr_message_recipient_minimum"
+#define DEF_QMGR_MSG_RCPT_LIMIT 10
+extern int var_qmgr_msg_rcpt_limit;
+
+#define VAR_XPORT_RCPT_LIMIT "default_recipient_limit"
+#define _XPORT_RCPT_LIMIT "_recipient_limit"
+#define DEF_XPORT_RCPT_LIMIT 20000
+extern int var_xport_rcpt_limit;
+
+#define VAR_STACK_RCPT_LIMIT "default_extra_recipient_limit"
+#define _STACK_RCPT_LIMIT "_extra_recipient_limit"
+#define DEF_STACK_RCPT_LIMIT 1000
+extern int var_stack_rcpt_limit;
+
+#define VAR_XPORT_REFILL_LIMIT "default_recipient_refill_limit"
+#define _XPORT_REFILL_LIMIT "_recipient_refill_limit"
+#define DEF_XPORT_REFILL_LIMIT 100
+extern int var_xport_refill_limit;
+
+#define VAR_XPORT_REFILL_DELAY "default_recipient_refill_delay"
+#define _XPORT_REFILL_DELAY "_recipient_refill_delay"
+#define DEF_XPORT_REFILL_DELAY "5s"
+extern int var_xport_refill_delay;
+
+ /*
+ * Queue manager: default job scheduler parameters.
+ */
+#define VAR_DELIVERY_SLOT_COST "default_delivery_slot_cost"
+#define _DELIVERY_SLOT_COST "_delivery_slot_cost"
+#define DEF_DELIVERY_SLOT_COST 5
+extern int var_delivery_slot_cost;
+
+#define VAR_DELIVERY_SLOT_LOAN "default_delivery_slot_loan"
+#define _DELIVERY_SLOT_LOAN "_delivery_slot_loan"
+#define DEF_DELIVERY_SLOT_LOAN 3
+extern int var_delivery_slot_loan;
+
+#define VAR_DELIVERY_SLOT_DISCOUNT "default_delivery_slot_discount"
+#define _DELIVERY_SLOT_DISCOUNT "_delivery_slot_discount"
+#define DEF_DELIVERY_SLOT_DISCOUNT 50
+extern int var_delivery_slot_discount;
+
+#define VAR_MIN_DELIVERY_SLOTS "default_minimum_delivery_slots"
+#define _MIN_DELIVERY_SLOTS "_minimum_delivery_slots"
+#define DEF_MIN_DELIVERY_SLOTS 3
+extern int var_min_delivery_slots;
+
+#define VAR_QMGR_FUDGE "qmgr_fudge_factor"
+#define DEF_QMGR_FUDGE 100
+extern int var_qmgr_fudge;
+
+ /*
+ * Queue manager: default destination concurrency levels.
+ */
+#define VAR_INIT_DEST_CON "initial_destination_concurrency"
+#define _INIT_DEST_CON "_initial_destination_concurrency"
+#define DEF_INIT_DEST_CON 5
+extern int var_init_dest_concurrency;
+
+#define VAR_DEST_CON_LIMIT "default_destination_concurrency_limit"
+#define _DEST_CON_LIMIT "_destination_concurrency_limit"
+#define DEF_DEST_CON_LIMIT 20
+extern int var_dest_con_limit;
+
+#define VAR_LOCAL_CON_LIMIT "local" _DEST_CON_LIMIT
+#define DEF_LOCAL_CON_LIMIT 2
+extern int var_local_con_lim;
+
+ /*
+ * Queue manager: default number of recipients per transaction.
+ */
+#define VAR_DEST_RCPT_LIMIT "default_destination_recipient_limit"
+#define _DEST_RCPT_LIMIT "_destination_recipient_limit"
+#define DEF_DEST_RCPT_LIMIT 50
+extern int var_dest_rcpt_limit;
+
+#define VAR_LOCAL_RCPT_LIMIT "local" _DEST_RCPT_LIMIT /* XXX */
+#define DEF_LOCAL_RCPT_LIMIT 1 /* XXX */
+extern int var_local_rcpt_lim;
+
+ /*
+ * Queue manager: default delay before retrying a dead transport.
+ */
+#define VAR_XPORT_RETRY_TIME "transport_retry_time"
+#define DEF_XPORT_RETRY_TIME "60s"
+extern int var_transport_retry_time;
+
+ /*
+ * Queue manager: what transports to defer delivery to.
+ */
+#define VAR_DEFER_XPORTS "defer_transports"
+#define DEF_DEFER_XPORTS ""
+extern char *var_defer_xports;
+
+ /*
+ * Queue manager: how often to warn that a destination is clogging the
+ * active queue.
+ */
+#define VAR_QMGR_CLOG_WARN_TIME "qmgr_clog_warn_time"
+#define DEF_QMGR_CLOG_WARN_TIME "300s"
+extern int var_qmgr_clog_warn_time;
+
+ /*
+ * Master: default process count limit per mail subsystem.
+ */
+#define VAR_PROC_LIMIT "default_process_limit"
+#define DEF_PROC_LIMIT 100
+extern int var_proc_limit;
+
+ /*
+ * Master: default time to wait after service is throttled.
+ */
+#define VAR_THROTTLE_TIME "service_throttle_time"
+#define DEF_THROTTLE_TIME "60s"
+extern int var_throttle_time;
+
+ /*
+ * Master: what master.cf services are turned off.
+ */
+#define VAR_MASTER_DISABLE "master_service_disable"
+#define DEF_MASTER_DISABLE ""
+extern char *var_master_disable;
+
+ /*
+ * Any subsystem: default maximum number of clients serviced before a mail
+ * subsystem terminates (except queue manager).
+ */
+#define VAR_MAX_USE "max_use"
+#define DEF_MAX_USE 100
+extern int var_use_limit;
+
+ /*
+ * Any subsystem: default amount of time a mail subsystem waits for a client
+ * connection (except queue manager).
+ */
+#define VAR_MAX_IDLE "max_idle"
+#define DEF_MAX_IDLE "100s"
+extern int var_idle_limit;
+
+ /*
+ * Any subsystem: default amount of time a mail subsystem waits for
+ * application events to drain.
+ */
+#define VAR_EVENT_DRAIN "application_event_drain_time"
+#define DEF_EVENT_DRAIN "100s"
+extern int var_event_drain;
+
+ /*
+ * Any subsystem: default amount of time a mail subsystem keeps an internal
+ * IPC connection before closing it because it is idle for too much time.
+ */
+#define VAR_IPC_IDLE "ipc_idle"
+#define DEF_IPC_IDLE "5s"
+extern int var_ipc_idle_limit;
+
+ /*
+ * Any subsystem: default amount of time a mail subsystem keeps an internal
+ * IPC connection before closing it because the connection has existed for
+ * too much time.
+ */
+#define VAR_IPC_TTL "ipc_ttl"
+#define DEF_IPC_TTL "1000s"
+extern int var_ipc_ttl_limit;
+
+ /*
+ * Any front-end subsystem: avoid running out of memory when someone sends
+ * infinitely-long requests or replies.
+ */
+#define VAR_LINE_LIMIT "line_length_limit"
+#define DEF_LINE_LIMIT 2048
+extern int var_line_limit;
+
+ /*
+ * Specify what SMTP peers need verbose logging.
+ */
+#define VAR_DEBUG_PEER_LIST "debug_peer_list"
+#define DEF_DEBUG_PEER_LIST ""
+extern char *var_debug_peer_list;
+
+#define VAR_DEBUG_PEER_LEVEL "debug_peer_level"
+#define DEF_DEBUG_PEER_LEVEL 2
+extern int var_debug_peer_level;
+
+ /*
+ * Queue management: what queues are hashed behind a forest of
+ * subdirectories, and how deep the forest is.
+ */
+#define VAR_HASH_QUEUE_NAMES "hash_queue_names"
+#define DEF_HASH_QUEUE_NAMES "deferred, defer"
+extern char *var_hash_queue_names;
+
+#define VAR_HASH_QUEUE_DEPTH "hash_queue_depth"
+#define DEF_HASH_QUEUE_DEPTH 1
+extern int var_hash_queue_depth;
+
+ /*
+ * Short queue IDs contain the time in microseconds and file inode number.
+ * Long queue IDs also contain the time in seconds.
+ */
+#define VAR_LONG_QUEUE_IDS "enable_long_queue_ids"
+#define DEF_LONG_QUEUE_IDS 0
+extern bool var_long_queue_ids;
+
+ /*
+ * Multi-protocol support.
+ */
+#define INET_PROTO_NAME_IPV4 "ipv4"
+#define INET_PROTO_NAME_IPV6 "ipv6"
+#define INET_PROTO_NAME_ALL "all"
+#define INET_PROTO_NAME_ANY "any"
+#define VAR_INET_PROTOCOLS "inet_protocols"
+extern char *var_inet_protocols;
+
+ /*
+ * SMTP client. Timeouts inspired by RFC 1123. The SMTP recipient limit
+ * determines how many recipient addresses the SMTP client sends along with
+ * each message. Unfortunately, some mailers misbehave and disconnect (smap)
+ * when given more recipients than they are willing to handle.
+ *
+ * XXX 2821: A mail system is supposed to use EHLO instead of HELO, and to fall
+ * back to HELO if EHLO is not supported.
+ */
+#define VAR_BESTMX_TRANSP "best_mx_transport"
+#define DEF_BESTMX_TRANSP ""
+extern char *var_bestmx_transp;
+
+#define VAR_SMTP_CACHE_CONNT "smtp_connection_cache_time_limit"
+#define DEF_SMTP_CACHE_CONNT "2s"
+#define VAR_LMTP_CACHE_CONNT "lmtp_connection_cache_time_limit"
+#define DEF_LMTP_CACHE_CONNT "2s"
+extern int var_smtp_cache_conn;
+
+#define VAR_SMTP_REUSE_COUNT "smtp_connection_reuse_count_limit"
+#define DEF_SMTP_REUSE_COUNT 0
+#define VAR_LMTP_REUSE_COUNT "lmtp_connection_reuse_count_limit"
+#define DEF_LMTP_REUSE_COUNT 0
+extern int var_smtp_reuse_count;
+
+#define VAR_SMTP_REUSE_TIME "smtp_connection_reuse_time_limit"
+#define DEF_SMTP_REUSE_TIME "300s"
+#define VAR_LMTP_REUSE_TIME "lmtp_connection_reuse_time_limit"
+#define DEF_LMTP_REUSE_TIME "300s"
+extern int var_smtp_reuse_time;
+
+#define VAR_SMTP_CACHE_DEST "smtp_connection_cache_destinations"
+#define DEF_SMTP_CACHE_DEST ""
+#define VAR_LMTP_CACHE_DEST "lmtp_connection_cache_destinations"
+#define DEF_LMTP_CACHE_DEST ""
+extern char *var_smtp_cache_dest;
+
+#define VAR_SMTP_CACHE_DEMAND "smtp_connection_cache_on_demand"
+#ifndef DEF_SMTP_CACHE_DEMAND
+#define DEF_SMTP_CACHE_DEMAND 1
+#endif
+#define VAR_LMTP_CACHE_DEMAND "lmtp_connection_cache_on_demand"
+#ifndef DEF_LMTP_CACHE_DEMAND
+#define DEF_LMTP_CACHE_DEMAND 1
+#endif
+extern bool var_smtp_cache_demand;
+
+#define VAR_SMTP_CONN_TMOUT "smtp_connect_timeout"
+#define DEF_SMTP_CONN_TMOUT "30s"
+extern int var_smtp_conn_tmout;
+
+#define VAR_SMTP_HELO_TMOUT "smtp_helo_timeout"
+#define DEF_SMTP_HELO_TMOUT "300s"
+#define VAR_LMTP_HELO_TMOUT "lmtp_lhlo_timeout"
+#define DEF_LMTP_HELO_TMOUT "300s"
+extern int var_smtp_helo_tmout;
+
+#define VAR_SMTP_XFWD_TMOUT "smtp_xforward_timeout"
+#define DEF_SMTP_XFWD_TMOUT "300s"
+extern int var_smtp_xfwd_tmout;
+
+#define VAR_SMTP_STARTTLS_TMOUT "smtp_starttls_timeout"
+#define DEF_SMTP_STARTTLS_TMOUT "300s"
+#define VAR_LMTP_STARTTLS_TMOUT "lmtp_starttls_timeout"
+#define DEF_LMTP_STARTTLS_TMOUT "300s"
+extern int var_smtp_starttls_tmout;
+
+#define VAR_SMTP_MAIL_TMOUT "smtp_mail_timeout"
+#define DEF_SMTP_MAIL_TMOUT "300s"
+extern int var_smtp_mail_tmout;
+
+#define VAR_SMTP_RCPT_TMOUT "smtp_rcpt_timeout"
+#define DEF_SMTP_RCPT_TMOUT "300s"
+extern int var_smtp_rcpt_tmout;
+
+#define VAR_SMTP_DATA0_TMOUT "smtp_data_init_timeout"
+#define DEF_SMTP_DATA0_TMOUT "120s"
+extern int var_smtp_data0_tmout;
+
+#define VAR_SMTP_DATA1_TMOUT "smtp_data_xfer_timeout"
+#define DEF_SMTP_DATA1_TMOUT "180s"
+extern int var_smtp_data1_tmout;
+
+#define VAR_SMTP_DATA2_TMOUT "smtp_data_done_timeout"
+#define DEF_SMTP_DATA2_TMOUT "600s"
+extern int var_smtp_data2_tmout;
+
+#define VAR_SMTP_RSET_TMOUT "smtp_rset_timeout"
+#define DEF_SMTP_RSET_TMOUT "20s"
+extern int var_smtp_rset_tmout;
+
+#define VAR_SMTP_QUIT_TMOUT "smtp_quit_timeout"
+#define DEF_SMTP_QUIT_TMOUT "300s"
+extern int var_smtp_quit_tmout;
+
+#define VAR_SMTP_QUOTE_821_ENV "smtp_quote_rfc821_envelope"
+#define DEF_SMTP_QUOTE_821_ENV 1
+#define VAR_LMTP_QUOTE_821_ENV "lmtp_quote_rfc821_envelope"
+#define DEF_LMTP_QUOTE_821_ENV 1
+extern int var_smtp_quote_821_env;
+
+#define VAR_SMTP_SKIP_5XX "smtp_skip_5xx_greeting"
+#define DEF_SMTP_SKIP_5XX 1
+#define VAR_LMTP_SKIP_5XX "lmtp_skip_5xx_greeting"
+#define DEF_LMTP_SKIP_5XX 1
+extern bool var_smtp_skip_5xx_greeting;
+
+#define VAR_IGN_MX_LOOKUP_ERR "ignore_mx_lookup_error"
+#define DEF_IGN_MX_LOOKUP_ERR 0
+extern bool var_ign_mx_lookup_err;
+
+#define VAR_SMTP_SKIP_QUIT_RESP "smtp_skip_quit_response"
+#define DEF_SMTP_SKIP_QUIT_RESP 1
+extern bool var_skip_quit_resp;
+
+#define VAR_SMTP_ALWAYS_EHLO "smtp_always_send_ehlo"
+#ifdef RFC821_SYNTAX
+#define DEF_SMTP_ALWAYS_EHLO 0
+#else
+#define DEF_SMTP_ALWAYS_EHLO 1
+#endif
+extern bool var_smtp_always_ehlo;
+
+#define VAR_SMTP_NEVER_EHLO "smtp_never_send_ehlo"
+#define DEF_SMTP_NEVER_EHLO 0
+extern bool var_smtp_never_ehlo;
+
+#define VAR_SMTP_RESP_FILTER "smtp_reply_filter"
+#define DEF_SMTP_RESP_FILTER ""
+#define VAR_LMTP_RESP_FILTER "lmtp_reply_filter"
+#define DEF_LMTP_RESP_FILTER ""
+extern char *var_smtp_resp_filter;
+
+#define VAR_SMTP_BIND_ADDR "smtp_bind_address"
+#define DEF_SMTP_BIND_ADDR ""
+#define VAR_LMTP_BIND_ADDR "lmtp_bind_address"
+#define DEF_LMTP_BIND_ADDR ""
+extern char *var_smtp_bind_addr;
+
+#define VAR_SMTP_BIND_ADDR6 "smtp_bind_address6"
+#define DEF_SMTP_BIND_ADDR6 ""
+#define VAR_LMTP_BIND_ADDR6 "lmtp_bind_address6"
+#define DEF_LMTP_BIND_ADDR6 ""
+extern char *var_smtp_bind_addr6;
+
+#define VAR_SMTP_HELO_NAME "smtp_helo_name"
+#define DEF_SMTP_HELO_NAME "$myhostname"
+#define VAR_LMTP_HELO_NAME "lmtp_lhlo_name"
+#define DEF_LMTP_HELO_NAME "$myhostname"
+extern char *var_smtp_helo_name;
+
+#define VAR_SMTP_RAND_ADDR "smtp_randomize_addresses"
+#define DEF_SMTP_RAND_ADDR 1
+#define VAR_LMTP_RAND_ADDR "lmtp_randomize_addresses"
+#define DEF_LMTP_RAND_ADDR 1
+extern bool var_smtp_rand_addr;
+
+#define VAR_SMTP_LINE_LIMIT "smtp_line_length_limit"
+#define DEF_SMTP_LINE_LIMIT 998
+#define VAR_LMTP_LINE_LIMIT "lmtp_line_length_limit"
+#define DEF_LMTP_LINE_LIMIT 998
+extern int var_smtp_line_limit;
+
+#define VAR_SMTP_PIX_THRESH "smtp_pix_workaround_threshold_time"
+#define DEF_SMTP_PIX_THRESH "500s"
+#define VAR_LMTP_PIX_THRESH "lmtp_pix_workaround_threshold_time"
+#define DEF_LMTP_PIX_THRESH "500s"
+extern int var_smtp_pix_thresh;
+
+#define VAR_SMTP_PIX_DELAY "smtp_pix_workaround_delay_time"
+#define DEF_SMTP_PIX_DELAY "10s"
+#define VAR_LMTP_PIX_DELAY "lmtp_pix_workaround_delay_time"
+#define DEF_LMTP_PIX_DELAY "10s"
+extern int var_smtp_pix_delay;
+
+ /*
+ * Courageous people may want to turn off PIX bug workarounds.
+ */
+#define PIX_BUG_DISABLE_ESMTP "disable_esmtp"
+#define PIX_BUG_DELAY_DOTCRLF "delay_dotcrlf"
+#define VAR_SMTP_PIX_BUG_WORDS "smtp_pix_workarounds"
+#define DEF_SMTP_PIX_BUG_WORDS PIX_BUG_DISABLE_ESMTP "," \
+ PIX_BUG_DELAY_DOTCRLF
+#define VAR_LMTP_PIX_BUG_WORDS "lmtp_pix_workarounds"
+#define DEF_LMTP_PIX_BUG_WORDS DEF_SMTP_PIX_BUG_WORDS
+extern char *var_smtp_pix_bug_words;
+
+#define VAR_SMTP_PIX_BUG_MAPS "smtp_pix_workaround_maps"
+#define DEF_SMTP_PIX_BUG_MAPS ""
+#define VAR_LMTP_PIX_BUG_MAPS "lmtp_pix_workaround_maps"
+#define DEF_LMTP_PIX_BUG_MAPS ""
+extern char *var_smtp_pix_bug_maps;
+
+#define VAR_SMTP_DEFER_MXADDR "smtp_defer_if_no_mx_address_found"
+#define DEF_SMTP_DEFER_MXADDR 0
+#define VAR_LMTP_DEFER_MXADDR "lmtp_defer_if_no_mx_address_found"
+#define DEF_LMTP_DEFER_MXADDR 0
+extern bool var_smtp_defer_mxaddr;
+
+#define VAR_SMTP_SEND_XFORWARD "smtp_send_xforward_command"
+#define DEF_SMTP_SEND_XFORWARD 0
+extern bool var_smtp_send_xforward;
+
+#define VAR_SMTP_GENERIC_MAPS "smtp_generic_maps"
+#define DEF_SMTP_GENERIC_MAPS ""
+#define VAR_LMTP_GENERIC_MAPS "lmtp_generic_maps"
+#define DEF_LMTP_GENERIC_MAPS ""
+extern char *var_smtp_generic_maps;
+
+ /*
+ * SMTP server. The soft error limit determines how many errors an SMTP
+ * client may make before we start to slow down; the hard error limit
+ * determines after how many client errors we disconnect.
+ */
+#define VAR_SMTPD_BANNER "smtpd_banner"
+#define DEF_SMTPD_BANNER "$myhostname ESMTP $mail_name"
+extern char *var_smtpd_banner;
+
+#define VAR_SMTPD_TMOUT "smtpd_timeout"
+#define DEF_SMTPD_TMOUT "${stress?{10}:{300}}s"
+extern int var_smtpd_tmout;
+
+#define VAR_SMTPD_STARTTLS_TMOUT "smtpd_starttls_timeout"
+#define DEF_SMTPD_STARTTLS_TMOUT "${stress?{10}:{300}}s"
+extern int var_smtpd_starttls_tmout;
+
+#define VAR_SMTPD_RCPT_LIMIT "smtpd_recipient_limit"
+#define DEF_SMTPD_RCPT_LIMIT 1000
+extern int var_smtpd_rcpt_limit;
+
+#define VAR_SMTPD_SOFT_ERLIM "smtpd_soft_error_limit"
+#define DEF_SMTPD_SOFT_ERLIM "10"
+extern int var_smtpd_soft_erlim;
+
+#define VAR_SMTPD_HARD_ERLIM "smtpd_hard_error_limit"
+#define DEF_SMTPD_HARD_ERLIM "${stress?{1}:{20}}"
+extern int var_smtpd_hard_erlim;
+
+#define VAR_SMTPD_ERR_SLEEP "smtpd_error_sleep_time"
+#define DEF_SMTPD_ERR_SLEEP "1s"
+extern int var_smtpd_err_sleep;
+
+#define VAR_SMTPD_JUNK_CMD "smtpd_junk_command_limit"
+#define DEF_SMTPD_JUNK_CMD "${stress?{1}:{100}}"
+extern int var_smtpd_junk_cmd_limit;
+
+#define VAR_SMTPD_RCPT_OVERLIM "smtpd_recipient_overshoot_limit"
+#define DEF_SMTPD_RCPT_OVERLIM 1000
+extern int var_smtpd_rcpt_overlim;
+
+#define VAR_SMTPD_HIST_THRSH "smtpd_history_flush_threshold"
+#define DEF_SMTPD_HIST_THRSH 100
+extern int var_smtpd_hist_thrsh;
+
+#define VAR_SMTPD_NOOP_CMDS "smtpd_noop_commands"
+#define DEF_SMTPD_NOOP_CMDS ""
+extern char *var_smtpd_noop_cmds;
+
+#define VAR_SMTPD_FORBID_CMDS "smtpd_forbidden_commands"
+#define DEF_SMTPD_FORBID_CMDS "CONNECT GET POST"
+extern char *var_smtpd_forbid_cmds;
+
+#define VAR_SMTPD_CMD_FILTER "smtpd_command_filter"
+#define DEF_SMTPD_CMD_FILTER ""
+extern char *var_smtpd_cmd_filter;
+
+#define VAR_SMTPD_TLS_WRAPPER "smtpd_tls_wrappermode"
+#define DEF_SMTPD_TLS_WRAPPER 0
+extern bool var_smtpd_tls_wrappermode;
+
+#define VAR_SMTPD_TLS_LEVEL "smtpd_tls_security_level"
+#define DEF_SMTPD_TLS_LEVEL ""
+extern char *var_smtpd_tls_level;
+
+#define VAR_SMTPD_USE_TLS "smtpd_use_tls"
+#define DEF_SMTPD_USE_TLS 0
+extern bool var_smtpd_use_tls;
+
+#define VAR_SMTPD_ENFORCE_TLS "smtpd_enforce_tls"
+#define DEF_SMTPD_ENFORCE_TLS 0
+extern bool var_smtpd_enforce_tls;
+
+#define VAR_SMTPD_TLS_AUTH_ONLY "smtpd_tls_auth_only"
+#define DEF_SMTPD_TLS_AUTH_ONLY 0
+extern bool var_smtpd_tls_auth_only;
+
+#define VAR_SMTPD_TLS_ACERT "smtpd_tls_ask_ccert"
+#define DEF_SMTPD_TLS_ACERT 0
+extern bool var_smtpd_tls_ask_ccert;
+
+#define VAR_SMTPD_TLS_RCERT "smtpd_tls_req_ccert"
+#define DEF_SMTPD_TLS_RCERT 0
+extern bool var_smtpd_tls_req_ccert;
+
+#define VAR_SMTPD_TLS_CCERT_VD "smtpd_tls_ccert_verifydepth"
+#define DEF_SMTPD_TLS_CCERT_VD 9
+extern int var_smtpd_tls_ccert_vd;
+
+#define VAR_SMTPD_TLS_CHAIN_FILES "smtpd_tls_chain_files"
+#define DEF_SMTPD_TLS_CHAIN_FILES ""
+extern char *var_smtpd_tls_chain_files;
+
+#define VAR_SMTPD_TLS_CERT_FILE "smtpd_tls_cert_file"
+#define DEF_SMTPD_TLS_CERT_FILE ""
+extern char *var_smtpd_tls_cert_file;
+
+#define VAR_SMTPD_TLS_KEY_FILE "smtpd_tls_key_file"
+#define DEF_SMTPD_TLS_KEY_FILE "$smtpd_tls_cert_file"
+extern char *var_smtpd_tls_key_file;
+
+#define VAR_SMTPD_TLS_DCERT_FILE "smtpd_tls_dcert_file"
+#define DEF_SMTPD_TLS_DCERT_FILE ""
+extern char *var_smtpd_tls_dcert_file;
+
+#define VAR_SMTPD_TLS_DKEY_FILE "smtpd_tls_dkey_file"
+#define DEF_SMTPD_TLS_DKEY_FILE "$smtpd_tls_dcert_file"
+extern char *var_smtpd_tls_dkey_file;
+
+#define VAR_SMTPD_TLS_ECCERT_FILE "smtpd_tls_eccert_file"
+#define DEF_SMTPD_TLS_ECCERT_FILE ""
+extern char *var_smtpd_tls_eccert_file;
+
+#define VAR_SMTPD_TLS_ECKEY_FILE "smtpd_tls_eckey_file"
+#define DEF_SMTPD_TLS_ECKEY_FILE "$smtpd_tls_eccert_file"
+extern char *var_smtpd_tls_eckey_file;
+
+#define VAR_SMTPD_TLS_CA_FILE "smtpd_tls_CAfile"
+#define DEF_SMTPD_TLS_CA_FILE ""
+extern char *var_smtpd_tls_CAfile;
+
+#define VAR_SMTPD_TLS_CA_PATH "smtpd_tls_CApath"
+#define DEF_SMTPD_TLS_CA_PATH ""
+extern char *var_smtpd_tls_CApath;
+
+#define VAR_SMTPD_TLS_PROTO "smtpd_tls_protocols"
+#define DEF_SMTPD_TLS_PROTO "!SSLv2, !SSLv3"
+extern char *var_smtpd_tls_proto;
+
+#define VAR_SMTPD_TLS_MAND_PROTO "smtpd_tls_mandatory_protocols"
+#define DEF_SMTPD_TLS_MAND_PROTO "!SSLv2, !SSLv3"
+extern char *var_smtpd_tls_mand_proto;
+
+#define VAR_SMTPD_TLS_CIPH "smtpd_tls_ciphers"
+#define DEF_SMTPD_TLS_CIPH "medium"
+extern char *var_smtpd_tls_ciph;
+
+#define VAR_SMTPD_TLS_MAND_CIPH "smtpd_tls_mandatory_ciphers"
+#define DEF_SMTPD_TLS_MAND_CIPH "medium"
+extern char *var_smtpd_tls_mand_ciph;
+
+#define VAR_SMTPD_TLS_EXCL_CIPH "smtpd_tls_exclude_ciphers"
+#define DEF_SMTPD_TLS_EXCL_CIPH ""
+extern char *var_smtpd_tls_excl_ciph;
+
+#define VAR_SMTPD_TLS_MAND_EXCL "smtpd_tls_mandatory_exclude_ciphers"
+#define DEF_SMTPD_TLS_MAND_EXCL ""
+extern char *var_smtpd_tls_mand_excl;
+
+#define VAR_SMTPD_TLS_FPT_DGST "smtpd_tls_fingerprint_digest"
+#define DEF_SMTPD_TLS_FPT_DGST "md5"
+extern char *var_smtpd_tls_fpt_dgst;
+
+#define VAR_SMTPD_TLS_512_FILE "smtpd_tls_dh512_param_file"
+#define DEF_SMTPD_TLS_512_FILE ""
+extern char *var_smtpd_tls_dh512_param_file;
+
+#define VAR_SMTPD_TLS_1024_FILE "smtpd_tls_dh1024_param_file"
+#define DEF_SMTPD_TLS_1024_FILE ""
+extern char *var_smtpd_tls_dh1024_param_file;
+
+#define VAR_SMTPD_TLS_EECDH "smtpd_tls_eecdh_grade"
+#define DEF_SMTPD_TLS_EECDH "auto"
+extern char *var_smtpd_tls_eecdh;
+
+#define VAR_SMTPD_TLS_LOGLEVEL "smtpd_tls_loglevel"
+#define DEF_SMTPD_TLS_LOGLEVEL "0"
+extern char *var_smtpd_tls_loglevel;
+
+#define VAR_SMTPD_TLS_RECHEAD "smtpd_tls_received_header"
+#define DEF_SMTPD_TLS_RECHEAD 0
+extern bool var_smtpd_tls_received_header;
+
+#define VAR_SMTPD_TLS_SCACHE_DB "smtpd_tls_session_cache_database"
+#define DEF_SMTPD_TLS_SCACHE_DB ""
+extern char *var_smtpd_tls_scache_db;
+
+#define MAX_SMTPD_TLS_SCACHETIME 8640000
+#define VAR_SMTPD_TLS_SCACHTIME "smtpd_tls_session_cache_timeout"
+#define DEF_SMTPD_TLS_SCACHTIME "3600s"
+extern int var_smtpd_tls_scache_timeout;
+
+#define VAR_SMTPD_TLS_SET_SESSID "smtpd_tls_always_issue_session_ids"
+#define DEF_SMTPD_TLS_SET_SESSID 1
+extern bool var_smtpd_tls_set_sessid;
+
+#define VAR_SMTPD_DELAY_OPEN "smtpd_delay_open_until_valid_rcpt"
+#define DEF_SMTPD_DELAY_OPEN 1
+extern bool var_smtpd_delay_open;
+
+#define VAR_SMTP_TLS_PER_SITE "smtp_tls_per_site"
+#define DEF_SMTP_TLS_PER_SITE ""
+#define VAR_LMTP_TLS_PER_SITE "lmtp_tls_per_site"
+#define DEF_LMTP_TLS_PER_SITE ""
+extern char *var_smtp_tls_per_site;
+
+#define VAR_SMTP_USE_TLS "smtp_use_tls"
+#define DEF_SMTP_USE_TLS 0
+#define VAR_LMTP_USE_TLS "lmtp_use_tls"
+#define DEF_LMTP_USE_TLS 0
+extern bool var_smtp_use_tls;
+
+#define VAR_SMTP_ENFORCE_TLS "smtp_enforce_tls"
+#define DEF_SMTP_ENFORCE_TLS 0
+#define VAR_LMTP_ENFORCE_TLS "lmtp_enforce_tls"
+#define DEF_LMTP_ENFORCE_TLS 0
+extern bool var_smtp_enforce_tls;
+
+#define VAR_SMTP_TLS_ENFORCE_PN "smtp_tls_enforce_peername"
+#define DEF_SMTP_TLS_ENFORCE_PN 1
+#define VAR_LMTP_TLS_ENFORCE_PN "lmtp_tls_enforce_peername"
+#define DEF_LMTP_TLS_ENFORCE_PN 1
+extern bool var_smtp_tls_enforce_peername;
+
+#define VAR_SMTP_TLS_WRAPPER "smtp_tls_wrappermode"
+#define DEF_SMTP_TLS_WRAPPER 0
+#define VAR_LMTP_TLS_WRAPPER "lmtp_tls_wrappermode"
+#define DEF_LMTP_TLS_WRAPPER 0
+extern bool var_smtp_tls_wrappermode;
+
+#define VAR_SMTP_TLS_LEVEL "smtp_tls_security_level"
+#define DEF_SMTP_TLS_LEVEL ""
+#define VAR_LMTP_TLS_LEVEL "lmtp_tls_security_level"
+#define DEF_LMTP_TLS_LEVEL ""
+extern char *var_smtp_tls_level;
+
+#define VAR_SMTP_TLS_SCERT_VD "smtp_tls_scert_verifydepth"
+#define DEF_SMTP_TLS_SCERT_VD 9
+#define VAR_LMTP_TLS_SCERT_VD "lmtp_tls_scert_verifydepth"
+#define DEF_LMTP_TLS_SCERT_VD 9
+extern int var_smtp_tls_scert_vd;
+
+#define VAR_SMTP_TLS_CHAIN_FILES "smtp_tls_chain_files"
+#define DEF_SMTP_TLS_CHAIN_FILES ""
+#define VAR_LMTP_TLS_CHAIN_FILES "lmtp_tls_chain_files"
+#define DEF_LMTP_TLS_CHAIN_FILES ""
+extern char *var_smtp_tls_chain_files;
+
+#define VAR_SMTP_TLS_CERT_FILE "smtp_tls_cert_file"
+#define DEF_SMTP_TLS_CERT_FILE ""
+#define VAR_LMTP_TLS_CERT_FILE "lmtp_tls_cert_file"
+#define DEF_LMTP_TLS_CERT_FILE ""
+extern char *var_smtp_tls_cert_file;
+
+#define VAR_SMTP_TLS_KEY_FILE "smtp_tls_key_file"
+#define DEF_SMTP_TLS_KEY_FILE "$smtp_tls_cert_file"
+#define VAR_LMTP_TLS_KEY_FILE "lmtp_tls_key_file"
+#define DEF_LMTP_TLS_KEY_FILE "$lmtp_tls_cert_file"
+extern char *var_smtp_tls_key_file;
+
+#define VAR_SMTP_TLS_DCERT_FILE "smtp_tls_dcert_file"
+#define DEF_SMTP_TLS_DCERT_FILE ""
+#define VAR_LMTP_TLS_DCERT_FILE "lmtp_tls_dcert_file"
+#define DEF_LMTP_TLS_DCERT_FILE ""
+extern char *var_smtp_tls_dcert_file;
+
+#define VAR_SMTP_TLS_DKEY_FILE "smtp_tls_dkey_file"
+#define DEF_SMTP_TLS_DKEY_FILE "$smtp_tls_dcert_file"
+#define VAR_LMTP_TLS_DKEY_FILE "lmtp_tls_dkey_file"
+#define DEF_LMTP_TLS_DKEY_FILE "$lmtp_tls_dcert_file"
+extern char *var_smtp_tls_dkey_file;
+
+#define VAR_SMTP_TLS_ECCERT_FILE "smtp_tls_eccert_file"
+#define DEF_SMTP_TLS_ECCERT_FILE ""
+#define VAR_LMTP_TLS_ECCERT_FILE "lmtp_tls_eccert_file"
+#define DEF_LMTP_TLS_ECCERT_FILE ""
+extern char *var_smtp_tls_eccert_file;
+
+#define VAR_SMTP_TLS_ECKEY_FILE "smtp_tls_eckey_file"
+#define DEF_SMTP_TLS_ECKEY_FILE "$smtp_tls_eccert_file"
+#define VAR_LMTP_TLS_ECKEY_FILE "lmtp_tls_eckey_file"
+#define DEF_LMTP_TLS_ECKEY_FILE "$lmtp_tls_eccert_file"
+extern char *var_smtp_tls_eckey_file;
+
+#define VAR_SMTP_TLS_CA_FILE "smtp_tls_CAfile"
+#define DEF_SMTP_TLS_CA_FILE ""
+#define VAR_LMTP_TLS_CA_FILE "lmtp_tls_CAfile"
+#define DEF_LMTP_TLS_CA_FILE ""
+extern char *var_smtp_tls_CAfile;
+
+#define VAR_SMTP_TLS_CA_PATH "smtp_tls_CApath"
+#define DEF_SMTP_TLS_CA_PATH ""
+#define VAR_LMTP_TLS_CA_PATH "lmtp_tls_CApath"
+#define DEF_LMTP_TLS_CA_PATH ""
+extern char *var_smtp_tls_CApath;
+
+#define VAR_SMTP_TLS_CIPH "smtp_tls_ciphers"
+#define DEF_SMTP_TLS_CIPH "medium"
+#define VAR_LMTP_TLS_CIPH "lmtp_tls_ciphers"
+#define DEF_LMTP_TLS_CIPH "medium"
+extern char *var_smtp_tls_ciph;
+
+#define VAR_SMTP_TLS_MAND_CIPH "smtp_tls_mandatory_ciphers"
+#define DEF_SMTP_TLS_MAND_CIPH "medium"
+#define VAR_LMTP_TLS_MAND_CIPH "lmtp_tls_mandatory_ciphers"
+#define DEF_LMTP_TLS_MAND_CIPH "medium"
+extern char *var_smtp_tls_mand_ciph;
+
+#define VAR_SMTP_TLS_EXCL_CIPH "smtp_tls_exclude_ciphers"
+#define DEF_SMTP_TLS_EXCL_CIPH ""
+#define VAR_LMTP_TLS_EXCL_CIPH "lmtp_tls_exclude_ciphers"
+#define DEF_LMTP_TLS_EXCL_CIPH ""
+extern char *var_smtp_tls_excl_ciph;
+
+#define VAR_SMTP_TLS_MAND_EXCL "smtp_tls_mandatory_exclude_ciphers"
+#define DEF_SMTP_TLS_MAND_EXCL ""
+#define VAR_LMTP_TLS_MAND_EXCL "lmtp_tls_mandatory_exclude_ciphers"
+#define DEF_LMTP_TLS_MAND_EXCL ""
+extern char *var_smtp_tls_mand_excl;
+
+#define VAR_SMTP_TLS_FPT_DGST "smtp_tls_fingerprint_digest"
+#define DEF_SMTP_TLS_FPT_DGST "md5"
+#define VAR_LMTP_TLS_FPT_DGST "lmtp_tls_fingerprint_digest"
+#define DEF_LMTP_TLS_FPT_DGST "md5"
+extern char *var_smtp_tls_fpt_dgst;
+
+#define VAR_SMTP_TLS_TAFILE "smtp_tls_trust_anchor_file"
+#define DEF_SMTP_TLS_TAFILE ""
+#define VAR_LMTP_TLS_TAFILE "lmtp_tls_trust_anchor_file"
+#define DEF_LMTP_TLS_TAFILE ""
+extern char *var_smtp_tls_tafile;
+
+#define VAR_SMTP_TLS_LOGLEVEL "smtp_tls_loglevel"
+#define DEF_SMTP_TLS_LOGLEVEL "0"
+#define VAR_LMTP_TLS_LOGLEVEL "lmtp_tls_loglevel"
+#define DEF_LMTP_TLS_LOGLEVEL "0"
+extern char *var_smtp_tls_loglevel; /* In smtp(8) and tlsmgr(8) */
+extern char *var_lmtp_tls_loglevel; /* In tlsmgr(8) */
+
+#define VAR_SMTP_TLS_NOTEOFFER "smtp_tls_note_starttls_offer"
+#define DEF_SMTP_TLS_NOTEOFFER 0
+#define VAR_LMTP_TLS_NOTEOFFER "lmtp_tls_note_starttls_offer"
+#define DEF_LMTP_TLS_NOTEOFFER 0
+extern bool var_smtp_tls_note_starttls_offer;
+
+#define VAR_SMTP_TLS_SCACHE_DB "smtp_tls_session_cache_database"
+#define DEF_SMTP_TLS_SCACHE_DB ""
+#define VAR_LMTP_TLS_SCACHE_DB "lmtp_tls_session_cache_database"
+#define DEF_LMTP_TLS_SCACHE_DB ""
+extern char *var_smtp_tls_scache_db;
+extern char *var_lmtp_tls_scache_db;
+
+#define MAX_SMTP_TLS_SCACHETIME 8640000
+#define VAR_SMTP_TLS_SCACHTIME "smtp_tls_session_cache_timeout"
+#define DEF_SMTP_TLS_SCACHTIME "3600s"
+#define MAX_LMTP_TLS_SCACHETIME 8640000
+#define VAR_LMTP_TLS_SCACHTIME "lmtp_tls_session_cache_timeout"
+#define DEF_LMTP_TLS_SCACHTIME "3600s"
+extern int var_smtp_tls_scache_timeout;
+extern int var_lmtp_tls_scache_timeout;
+
+#define VAR_SMTP_TLS_POLICY "smtp_tls_policy_maps"
+#define DEF_SMTP_TLS_POLICY ""
+#define VAR_LMTP_TLS_POLICY "lmtp_tls_policy_maps"
+#define DEF_LMTP_TLS_POLICY ""
+extern char *var_smtp_tls_policy;
+
+#define VAR_SMTP_TLS_PROTO "smtp_tls_protocols"
+#define DEF_SMTP_TLS_PROTO "!SSLv2, !SSLv3"
+#define VAR_LMTP_TLS_PROTO "lmtp_tls_protocols"
+#define DEF_LMTP_TLS_PROTO "!SSLv2, !SSLv3"
+extern char *var_smtp_tls_proto;
+
+#define VAR_SMTP_TLS_MAND_PROTO "smtp_tls_mandatory_protocols"
+#define DEF_SMTP_TLS_MAND_PROTO "!SSLv2, !SSLv3"
+#define VAR_LMTP_TLS_MAND_PROTO "lmtp_tls_mandatory_protocols"
+#define DEF_LMTP_TLS_MAND_PROTO "!SSLv2, !SSLv3"
+extern char *var_smtp_tls_mand_proto;
+
+#define VAR_SMTP_TLS_VFY_CMATCH "smtp_tls_verify_cert_match"
+#define DEF_SMTP_TLS_VFY_CMATCH "hostname"
+#define VAR_LMTP_TLS_VFY_CMATCH "lmtp_tls_verify_cert_match"
+#define DEF_LMTP_TLS_VFY_CMATCH "hostname"
+extern char *var_smtp_tls_vfy_cmatch;
+
+ /*
+ * There are no MX lookups for LMTP, so verify == secure
+ */
+#define VAR_SMTP_TLS_SEC_CMATCH "smtp_tls_secure_cert_match"
+#define DEF_SMTP_TLS_SEC_CMATCH "nexthop, dot-nexthop"
+#define VAR_LMTP_TLS_SEC_CMATCH "lmtp_tls_secure_cert_match"
+#define DEF_LMTP_TLS_SEC_CMATCH "nexthop"
+extern char *var_smtp_tls_sec_cmatch;
+
+
+#define VAR_SMTP_TLS_FPT_CMATCH "smtp_tls_fingerprint_cert_match"
+#define DEF_SMTP_TLS_FPT_CMATCH ""
+#define VAR_LMTP_TLS_FPT_CMATCH "lmtp_tls_fingerprint_cert_match"
+#define DEF_LMTP_TLS_FPT_CMATCH ""
+extern char *var_smtp_tls_fpt_cmatch;
+
+#define VAR_SMTP_TLS_SNI "smtp_tls_servername"
+#define DEF_SMTP_TLS_SNI ""
+#define VAR_LMTP_TLS_SNI "lmtp_tls_servername"
+#define DEF_LMTP_TLS_SNI ""
+extern char *var_smtp_tls_sni;
+
+#define VAR_SMTP_TLS_BLK_EARLY_MAIL_REPLY "smtp_tls_block_early_mail_reply"
+#define DEF_SMTP_TLS_BLK_EARLY_MAIL_REPLY 0
+#define VAR_LMTP_TLS_BLK_EARLY_MAIL_REPLY "lmtp_tls_block_early_mail_reply"
+#define DEF_LMTP_TLS_BLK_EARLY_MAIL_REPLY 0
+extern bool var_smtp_tls_blk_early_mail_reply;
+
+#define VAR_SMTP_TLS_FORCE_TLSA "smtp_tls_force_insecure_host_tlsa_lookup"
+#define DEF_SMTP_TLS_FORCE_TLSA 0
+#define VAR_LMTP_TLS_FORCE_TLSA "lmtp_tls_force_insecure_host_tlsa_lookup"
+#define DEF_LMTP_TLS_FORCE_TLSA 0
+extern bool var_smtp_tls_force_tlsa;
+
+ /* SMTP only */
+#define VAR_SMTP_TLS_INSECURE_MX_POLICY "smtp_tls_dane_insecure_mx_policy"
+#define DEF_SMTP_TLS_INSECURE_MX_POLICY "${{$smtp_tls_security_level} == {dane} ? {dane} : {may}}"
+extern char *var_smtp_tls_insecure_mx_policy;
+
+ /*
+ * SASL authentication support, SMTP server side.
+ */
+#define VAR_SMTPD_SASL_ENABLE "smtpd_sasl_auth_enable"
+#define DEF_SMTPD_SASL_ENABLE 0
+extern bool var_smtpd_sasl_enable;
+
+#define VAR_SMTPD_SASL_AUTH_HDR "smtpd_sasl_authenticated_header"
+#define DEF_SMTPD_SASL_AUTH_HDR 0
+extern bool var_smtpd_sasl_auth_hdr;
+
+#define VAR_SMTPD_SASL_OPTS "smtpd_sasl_security_options"
+#define DEF_SMTPD_SASL_OPTS "noanonymous"
+extern char *var_smtpd_sasl_opts;
+
+#define VAR_SMTPD_SASL_PATH "smtpd_sasl_path"
+#define DEF_SMTPD_SASL_PATH "smtpd"
+extern char *var_smtpd_sasl_path;
+
+#define VAR_SMTPD_SASL_SERVICE "smtpd_sasl_service"
+#define DEF_SMTPD_SASL_SERVICE "smtp"
+extern char *var_smtpd_sasl_service;
+
+#define VAR_CYRUS_CONF_PATH "cyrus_sasl_config_path"
+#define DEF_CYRUS_CONF_PATH ""
+extern char *var_cyrus_conf_path;
+
+#define VAR_SMTPD_SASL_TLS_OPTS "smtpd_sasl_tls_security_options"
+#define DEF_SMTPD_SASL_TLS_OPTS "$" VAR_SMTPD_SASL_OPTS
+extern char *var_smtpd_sasl_tls_opts;
+
+#define VAR_SMTPD_SASL_REALM "smtpd_sasl_local_domain"
+#define DEF_SMTPD_SASL_REALM ""
+extern char *var_smtpd_sasl_realm;
+
+#define VAR_SMTPD_SASL_EXCEPTIONS_NETWORKS "smtpd_sasl_exceptions_networks"
+#define DEF_SMTPD_SASL_EXCEPTIONS_NETWORKS ""
+extern char *var_smtpd_sasl_exceptions_networks;
+
+#ifndef DEF_SERVER_SASL_TYPE
+#define DEF_SERVER_SASL_TYPE "cyrus"
+#endif
+
+#define VAR_SMTPD_SASL_TYPE "smtpd_sasl_type"
+#define DEF_SMTPD_SASL_TYPE DEF_SERVER_SASL_TYPE
+extern char *var_smtpd_sasl_type;
+
+#define VAR_SMTPD_SND_AUTH_MAPS "smtpd_sender_login_maps"
+#define DEF_SMTPD_SND_AUTH_MAPS ""
+extern char *var_smtpd_snd_auth_maps;
+
+#define REJECT_SENDER_LOGIN_MISMATCH "reject_sender_login_mismatch"
+#define REJECT_AUTH_SENDER_LOGIN_MISMATCH \
+ "reject_authenticated_sender_login_mismatch"
+#define REJECT_KNOWN_SENDER_LOGIN_MISMATCH \
+ "reject_known_sender_login_mismatch"
+#define REJECT_UNAUTH_SENDER_LOGIN_MISMATCH \
+ "reject_unauthenticated_sender_login_mismatch"
+
+ /*
+ * https://tools.ietf.org/html/rfc4954#page-5
+ *
+ * (At the time of writing of this document, 12288 octets is considered to be a
+ * sufficient line length limit for handling of deployed authentication
+ * mechanisms.)
+ *
+ * The default value is also the minimum permissible value for this parameter.
+ */
+#define VAR_SMTPD_SASL_RESP_LIMIT "smtpd_sasl_response_limit"
+#define DEF_SMTPD_SASL_RESP_LIMIT 12288
+extern int var_smtpd_sasl_resp_limit;
+
+ /*
+ * SASL authentication support, SMTP client side.
+ */
+#define VAR_SMTP_SASL_ENABLE "smtp_sasl_auth_enable"
+#define DEF_SMTP_SASL_ENABLE 0
+extern bool var_smtp_sasl_enable;
+
+#define VAR_SMTP_SASL_PASSWD "smtp_sasl_password_maps"
+#define DEF_SMTP_SASL_PASSWD ""
+extern char *var_smtp_sasl_passwd;
+
+#define VAR_SMTP_SASL_OPTS "smtp_sasl_security_options"
+#define DEF_SMTP_SASL_OPTS "noplaintext, noanonymous"
+extern char *var_smtp_sasl_opts;
+
+#define VAR_SMTP_SASL_PATH "smtp_sasl_path"
+#define DEF_SMTP_SASL_PATH ""
+extern char *var_smtp_sasl_path;
+
+#define VAR_SMTP_SASL_MECHS "smtp_sasl_mechanism_filter"
+#define DEF_SMTP_SASL_MECHS ""
+#define VAR_LMTP_SASL_MECHS "lmtp_sasl_mechanism_filter"
+#define DEF_LMTP_SASL_MECHS ""
+extern char *var_smtp_sasl_mechs;
+
+#ifndef DEF_CLIENT_SASL_TYPE
+#define DEF_CLIENT_SASL_TYPE "cyrus"
+#endif
+
+#define VAR_SMTP_SASL_TYPE "smtp_sasl_type"
+#define DEF_SMTP_SASL_TYPE DEF_CLIENT_SASL_TYPE
+#define VAR_LMTP_SASL_TYPE "lmtp_sasl_type"
+#define DEF_LMTP_SASL_TYPE DEF_CLIENT_SASL_TYPE
+extern char *var_smtp_sasl_type;
+
+#define VAR_SMTP_SASL_TLS_OPTS "smtp_sasl_tls_security_options"
+#define DEF_SMTP_SASL_TLS_OPTS "$" VAR_SMTP_SASL_OPTS
+#define VAR_LMTP_SASL_TLS_OPTS "lmtp_sasl_tls_security_options"
+#define DEF_LMTP_SASL_TLS_OPTS "$" VAR_LMTP_SASL_OPTS
+extern char *var_smtp_sasl_tls_opts;
+
+#define VAR_SMTP_SASL_TLSV_OPTS "smtp_sasl_tls_verified_security_options"
+#define DEF_SMTP_SASL_TLSV_OPTS "$" VAR_SMTP_SASL_TLS_OPTS
+#define VAR_LMTP_SASL_TLSV_OPTS "lmtp_sasl_tls_verified_security_options"
+#define DEF_LMTP_SASL_TLSV_OPTS "$" VAR_LMTP_SASL_TLS_OPTS
+extern char *var_smtp_sasl_tlsv_opts;
+
+#define VAR_SMTP_DUMMY_MAIL_AUTH "smtp_send_dummy_mail_auth"
+#define DEF_SMTP_DUMMY_MAIL_AUTH 0
+extern bool var_smtp_dummy_mail_auth;
+
+#define VAR_LMTP_BALANCE_INET_PROTO "lmtp_balance_inet_protocols"
+#define DEF_LMTP_BALANCE_INET_PROTO DEF_SMTP_BALANCE_INET_PROTO
+#define VAR_SMTP_BALANCE_INET_PROTO "smtp_balance_inet_protocols"
+#define DEF_SMTP_BALANCE_INET_PROTO 1
+extern bool var_smtp_balance_inet_proto;
+
+ /*
+ * LMTP server. The soft error limit determines how many errors an LMTP
+ * client may make before we start to slow down; the hard error limit
+ * determines after how many client errors we disconnect.
+ */
+#define VAR_LMTPD_BANNER "lmtpd_banner"
+#define DEF_LMTPD_BANNER "$myhostname $mail_name"
+extern char *var_lmtpd_banner;
+
+#define VAR_LMTPD_TMOUT "lmtpd_timeout"
+#define DEF_LMTPD_TMOUT "300s"
+extern int var_lmtpd_tmout;
+
+#define VAR_LMTPD_RCPT_LIMIT "lmtpd_recipient_limit"
+#define DEF_LMTPD_RCPT_LIMIT 1000
+extern int var_lmtpd_rcpt_limit;
+
+#define VAR_LMTPD_SOFT_ERLIM "lmtpd_soft_error_limit"
+#define DEF_LMTPD_SOFT_ERLIM 10
+extern int var_lmtpd_soft_erlim;
+
+#define VAR_LMTPD_HARD_ERLIM "lmtpd_hard_error_limit"
+#define DEF_LMTPD_HARD_ERLIM 100
+extern int var_lmtpd_hard_erlim;
+
+#define VAR_LMTPD_ERR_SLEEP "lmtpd_error_sleep_time"
+#define DEF_LMTPD_ERR_SLEEP "5s"
+extern int var_lmtpd_err_sleep;
+
+#define VAR_LMTPD_JUNK_CMD "lmtpd_junk_command_limit"
+#define DEF_LMTPD_JUNK_CMD 1000
+extern int var_lmtpd_junk_cmd_limit;
+
+ /*
+ * SASL authentication support, LMTP server side.
+ */
+#define VAR_LMTPD_SASL_ENABLE "lmtpd_sasl_auth_enable"
+#define DEF_LMTPD_SASL_ENABLE 0
+extern bool var_lmtpd_sasl_enable;
+
+#define VAR_LMTPD_SASL_OPTS "lmtpd_sasl_security_options"
+#define DEF_LMTPD_SASL_OPTS "noanonymous"
+extern char *var_lmtpd_sasl_opts;
+
+#define VAR_LMTPD_SASL_REALM "lmtpd_sasl_local_domain"
+#define DEF_LMTPD_SASL_REALM "$myhostname"
+extern char *var_lmtpd_sasl_realm;
+
+ /*
+ * SASL authentication support, LMTP client side.
+ */
+#define VAR_LMTP_SASL_ENABLE "lmtp_sasl_auth_enable"
+#define DEF_LMTP_SASL_ENABLE 0
+extern bool var_lmtp_sasl_enable;
+
+#define VAR_LMTP_SASL_PASSWD "lmtp_sasl_password_maps"
+#define DEF_LMTP_SASL_PASSWD ""
+extern char *var_lmtp_sasl_passwd;
+
+#define VAR_LMTP_SASL_OPTS "lmtp_sasl_security_options"
+#define DEF_LMTP_SASL_OPTS "noplaintext, noanonymous"
+extern char *var_lmtp_sasl_opts;
+
+#define VAR_LMTP_SASL_PATH "lmtp_sasl_path"
+#define DEF_LMTP_SASL_PATH ""
+extern char *var_lmtp_sasl_path;
+
+#define VAR_LMTP_DUMMY_MAIL_AUTH "lmtp_send_dummy_mail_auth"
+#define DEF_LMTP_DUMMY_MAIL_AUTH 0
+extern bool var_lmtp_dummy_mail_auth;
+
+ /*
+ * SASL-based relay etc. control.
+ */
+#define PERMIT_SASL_AUTH "permit_sasl_authenticated"
+
+#define VAR_CYRUS_SASL_AUTHZID "send_cyrus_sasl_authzid"
+#define DEF_CYRUS_SASL_AUTHZID 0
+extern int var_cyrus_sasl_authzid;
+
+ /*
+ * Special handling of AUTH 535 failures.
+ */
+#define VAR_SMTP_SASL_AUTH_SOFT_BOUNCE "smtp_sasl_auth_soft_bounce"
+#define DEF_SMTP_SASL_AUTH_SOFT_BOUNCE 1
+#define VAR_LMTP_SASL_AUTH_SOFT_BOUNCE "lmtp_sasl_auth_soft_bounce"
+#define DEF_LMTP_SASL_AUTH_SOFT_BOUNCE 1
+extern bool var_smtp_sasl_auth_soft_bounce;
+
+#define VAR_SMTP_SASL_AUTH_CACHE_NAME "smtp_sasl_auth_cache_name"
+#define DEF_SMTP_SASL_AUTH_CACHE_NAME ""
+#define VAR_LMTP_SASL_AUTH_CACHE_NAME "lmtp_sasl_auth_cache_name"
+#define DEF_LMTP_SASL_AUTH_CACHE_NAME ""
+extern char *var_smtp_sasl_auth_cache_name;
+
+#define VAR_SMTP_SASL_AUTH_CACHE_TIME "smtp_sasl_auth_cache_time"
+#define DEF_SMTP_SASL_AUTH_CACHE_TIME "90d"
+#define VAR_LMTP_SASL_AUTH_CACHE_TIME "lmtp_sasl_auth_cache_time"
+#define DEF_LMTP_SASL_AUTH_CACHE_TIME "90d"
+extern int var_smtp_sasl_auth_cache_time;
+
+#define VAR_SMTP_TCP_PORT "smtp_tcp_port"
+#define DEF_SMTP_TCP_PORT "smtp"
+extern char *var_smtp_tcp_port;
+
+ /*
+ * LMTP client. Timeouts inspired by RFC 1123. The LMTP recipient limit
+ * determines how many recipient addresses the LMTP client sends along with
+ * each message. Unfortunately, some mailers misbehave and disconnect (smap)
+ * when given more recipients than they are willing to handle.
+ */
+#define VAR_LMTP_TCP_PORT "lmtp_tcp_port"
+#define DEF_LMTP_TCP_PORT "24"
+extern char *var_lmtp_tcp_port;
+
+#define VAR_LMTP_ASSUME_FINAL "lmtp_assume_final"
+#define DEF_LMTP_ASSUME_FINAL 0
+extern bool var_lmtp_assume_final;
+
+#define VAR_LMTP_CACHE_CONN "lmtp_cache_connection"
+#define DEF_LMTP_CACHE_CONN 1
+extern bool var_lmtp_cache_conn;
+
+#define VAR_LMTP_SKIP_QUIT_RESP "lmtp_skip_quit_response"
+#define DEF_LMTP_SKIP_QUIT_RESP 0
+extern bool var_lmtp_skip_quit_resp;
+
+#define VAR_LMTP_CONN_TMOUT "lmtp_connect_timeout"
+#define DEF_LMTP_CONN_TMOUT "0s"
+extern int var_lmtp_conn_tmout;
+
+#define VAR_LMTP_RSET_TMOUT "lmtp_rset_timeout"
+#define DEF_LMTP_RSET_TMOUT "20s"
+extern int var_lmtp_rset_tmout;
+
+#define VAR_LMTP_LHLO_TMOUT "lmtp_lhlo_timeout"
+#define DEF_LMTP_LHLO_TMOUT "300s"
+extern int var_lmtp_lhlo_tmout;
+
+#define VAR_LMTP_XFWD_TMOUT "lmtp_xforward_timeout"
+#define DEF_LMTP_XFWD_TMOUT "300s"
+extern int var_lmtp_xfwd_tmout;
+
+#define VAR_LMTP_MAIL_TMOUT "lmtp_mail_timeout"
+#define DEF_LMTP_MAIL_TMOUT "300s"
+extern int var_lmtp_mail_tmout;
+
+#define VAR_LMTP_RCPT_TMOUT "lmtp_rcpt_timeout"
+#define DEF_LMTP_RCPT_TMOUT "300s"
+extern int var_lmtp_rcpt_tmout;
+
+#define VAR_LMTP_DATA0_TMOUT "lmtp_data_init_timeout"
+#define DEF_LMTP_DATA0_TMOUT "120s"
+extern int var_lmtp_data0_tmout;
+
+#define VAR_LMTP_DATA1_TMOUT "lmtp_data_xfer_timeout"
+#define DEF_LMTP_DATA1_TMOUT "180s"
+extern int var_lmtp_data1_tmout;
+
+#define VAR_LMTP_DATA2_TMOUT "lmtp_data_done_timeout"
+#define DEF_LMTP_DATA2_TMOUT "600s"
+extern int var_lmtp_data2_tmout;
+
+#define VAR_LMTP_QUIT_TMOUT "lmtp_quit_timeout"
+#define DEF_LMTP_QUIT_TMOUT "300s"
+extern int var_lmtp_quit_tmout;
+
+#define VAR_LMTP_SEND_XFORWARD "lmtp_send_xforward_command"
+#define DEF_LMTP_SEND_XFORWARD 0
+extern bool var_lmtp_send_xforward;
+
+ /*
+ * Cleanup service. Header info that exceeds $header_size_limit bytes or
+ * $header_address_token_limit tokens is discarded.
+ */
+#define VAR_HOPCOUNT_LIMIT "hopcount_limit"
+#define DEF_HOPCOUNT_LIMIT 50
+extern int var_hopcount_limit;
+
+#define VAR_HEADER_LIMIT "header_size_limit"
+#define DEF_HEADER_LIMIT 102400
+extern int var_header_limit;
+
+#define VAR_TOKEN_LIMIT "header_address_token_limit"
+#define DEF_TOKEN_LIMIT 10240
+extern int var_token_limit;
+
+#define VAR_VIRT_RECUR_LIMIT "virtual_alias_recursion_limit"
+#define DEF_VIRT_RECUR_LIMIT 1000
+extern int var_virt_recur_limit;
+
+#define VAR_VIRT_EXPAN_LIMIT "virtual_alias_expansion_limit"
+#define DEF_VIRT_EXPAN_LIMIT 1000
+extern int var_virt_expan_limit;
+
+#define VAR_VIRT_ADDRLEN_LIMIT "virtual_alias_address_length_limit"
+#define DEF_VIRT_ADDRLEN_LIMIT 1000
+extern int var_virt_addrlen_limit;
+
+ /*
+ * Message/queue size limits.
+ */
+#define VAR_MESSAGE_LIMIT "message_size_limit"
+#define DEF_MESSAGE_LIMIT 10240000
+extern long var_message_limit;
+
+#define VAR_QUEUE_MINFREE "queue_minfree"
+#define DEF_QUEUE_MINFREE 0
+extern long var_queue_minfree;
+
+ /*
+ * Light-weight content inspection.
+ */
+#define VAR_HEADER_CHECKS "header_checks"
+#define DEF_HEADER_CHECKS ""
+extern char *var_header_checks;
+
+#define VAR_MIMEHDR_CHECKS "mime_header_checks"
+#define DEF_MIMEHDR_CHECKS "$header_checks"
+extern char *var_mimehdr_checks;
+
+#define VAR_NESTHDR_CHECKS "nested_header_checks"
+#define DEF_NESTHDR_CHECKS "$header_checks"
+extern char *var_nesthdr_checks;
+
+#define VAR_BODY_CHECKS "body_checks"
+#define DEF_BODY_CHECKS ""
+extern char *var_body_checks;
+
+#define VAR_BODY_CHECK_LEN "body_checks_size_limit"
+#define DEF_BODY_CHECK_LEN (50*1024)
+extern int var_body_check_len;
+
+ /*
+ * Bounce service: truncate bounce message that exceed $bounce_size_limit.
+ */
+#define VAR_BOUNCE_LIMIT "bounce_size_limit"
+#define DEF_BOUNCE_LIMIT 50000
+extern int var_bounce_limit;
+
+ /*
+ * Bounce service: reserved sender address for double bounces. The local
+ * delivery service discards undeliverable double bounces.
+ */
+#define VAR_DOUBLE_BOUNCE "double_bounce_sender"
+#define DEF_DOUBLE_BOUNCE "double-bounce"
+extern char *var_double_bounce_sender;
+
+ /*
+ * When forking a process, how often to try and how long to wait.
+ */
+#define VAR_FORK_TRIES "fork_attempts"
+#define DEF_FORK_TRIES 5
+extern int var_fork_tries;
+
+#define VAR_FORK_DELAY "fork_delay"
+#define DEF_FORK_DELAY "1s"
+extern int var_fork_delay;
+
+ /*
+ * When locking a mailbox, how often to try and how long to wait.
+ */
+#define VAR_FLOCK_TRIES "deliver_lock_attempts"
+#define DEF_FLOCK_TRIES 20
+extern int var_flock_tries;
+
+#define VAR_FLOCK_DELAY "deliver_lock_delay"
+#define DEF_FLOCK_DELAY "1s"
+extern int var_flock_delay;
+
+#define VAR_FLOCK_STALE "stale_lock_time"
+#define DEF_FLOCK_STALE "500s"
+extern int var_flock_stale;
+
+#define VAR_MAILTOOL_COMPAT "sun_mailtool_compatibility"
+#define DEF_MAILTOOL_COMPAT 0
+extern int var_mailtool_compat;
+
+ /*
+ * How long a daemon command may take to receive or deliver a message etc.
+ * before we assume it is wegded (should never happen).
+ */
+#define VAR_DAEMON_TIMEOUT "daemon_timeout"
+#define DEF_DAEMON_TIMEOUT "18000s"
+extern int var_daemon_timeout;
+
+#define VAR_QMGR_DAEMON_TIMEOUT "qmgr_daemon_timeout"
+#define DEF_QMGR_DAEMON_TIMEOUT "1000s"
+extern int var_qmgr_daemon_timeout;
+
+ /*
+ * How long an intra-mail command may take before we assume the mail system
+ * is in deadlock (should never happen).
+ */
+#define VAR_IPC_TIMEOUT "ipc_timeout"
+#define DEF_IPC_TIMEOUT "3600s"
+extern int var_ipc_timeout;
+
+#define VAR_QMGR_IPC_TIMEOUT "qmgr_ipc_timeout"
+#define DEF_QMGR_IPC_TIMEOUT "60s"
+extern int var_qmgr_ipc_timeout;
+
+ /*
+ * Time limit on intra-mail triggers.
+ */
+#define VAR_TRIGGER_TIMEOUT "trigger_timeout"
+#define DEF_TRIGGER_TIMEOUT "10s"
+extern int var_trigger_timeout;
+
+ /*
+ * SMTP server restrictions. What networks I am willing to relay from, what
+ * domains I am willing to forward mail from or to, what clients I refuse to
+ * talk to, and what domains I never want to see in the sender address.
+ */
+#define VAR_MYNETWORKS "mynetworks"
+extern char *var_mynetworks;
+
+#define VAR_MYNETWORKS_STYLE "mynetworks_style"
+#define DEF_MYNETWORKS_STYLE "${{$compatibility_level} < {2} ? " \
+ "{" MYNETWORKS_STYLE_SUBNET "} : " \
+ "{" MYNETWORKS_STYLE_HOST "}}"
+extern char *var_mynetworks_style;
+
+#define MYNETWORKS_STYLE_CLASS "class"
+#define MYNETWORKS_STYLE_SUBNET "subnet"
+#define MYNETWORKS_STYLE_HOST "host"
+
+#define VAR_RELAY_DOMAINS "relay_domains"
+#define DEF_RELAY_DOMAINS "${{$compatibility_level} < {2} ? " \
+ "{$mydestination} : {}}"
+extern char *var_relay_domains;
+
+#define VAR_RELAY_TRANSPORT "relay_transport"
+#define DEF_RELAY_TRANSPORT MAIL_SERVICE_RELAY
+extern char *var_relay_transport;
+
+#define VAR_RELAY_RCPT_MAPS "relay_recipient_maps"
+#define DEF_RELAY_RCPT_MAPS ""
+extern char *var_relay_rcpt_maps;
+
+#define VAR_RELAY_RCPT_CODE "unknown_relay_recipient_reject_code"
+#define DEF_RELAY_RCPT_CODE 550
+extern int var_relay_rcpt_code;
+
+#define VAR_RELAY_CCERTS "relay_clientcerts"
+#define DEF_RELAY_CCERTS ""
+extern char *var_smtpd_relay_ccerts;
+
+#define VAR_CLIENT_CHECKS "smtpd_client_restrictions"
+#define DEF_CLIENT_CHECKS ""
+extern char *var_client_checks;
+
+#define VAR_HELO_REQUIRED "smtpd_helo_required"
+#define DEF_HELO_REQUIRED 0
+extern bool var_helo_required;
+
+#define VAR_HELO_CHECKS "smtpd_helo_restrictions"
+#define DEF_HELO_CHECKS ""
+extern char *var_helo_checks;
+
+#define VAR_MAIL_CHECKS "smtpd_sender_restrictions"
+#define DEF_MAIL_CHECKS ""
+extern char *var_mail_checks;
+
+#define VAR_RELAY_CHECKS "smtpd_relay_restrictions"
+#define DEF_RELAY_CHECKS "${{$compatibility_level} < {1} ? " \
+ "{} : {" PERMIT_MYNETWORKS ", " \
+ PERMIT_SASL_AUTH ", " \
+ DEFER_UNAUTH_DEST "}}"
+extern char *var_relay_checks;
+
+ /*
+ * For warn_compat_break_relay_domains check. Same as DEF_RELAY_CHECKS
+ * except that it evaluates to DUNNO instead of REJECT.
+ */
+#define FAKE_RELAY_CHECKS PERMIT_MYNETWORKS ", " \
+ PERMIT_SASL_AUTH ", " \
+ PERMIT_AUTH_DEST
+
+#define VAR_RCPT_CHECKS "smtpd_recipient_restrictions"
+#define DEF_RCPT_CHECKS ""
+extern char *var_rcpt_checks;
+
+#define VAR_ETRN_CHECKS "smtpd_etrn_restrictions"
+#define DEF_ETRN_CHECKS ""
+extern char *var_etrn_checks;
+
+#define VAR_DATA_CHECKS "smtpd_data_restrictions"
+#define DEF_DATA_CHECKS ""
+extern char *var_data_checks;
+
+#define VAR_EOD_CHECKS "smtpd_end_of_data_restrictions"
+#define DEF_EOD_CHECKS ""
+extern char *var_eod_checks;
+
+#define VAR_REST_CLASSES "smtpd_restriction_classes"
+#define DEF_REST_CLASSES ""
+extern char *var_rest_classes;
+
+#define VAR_ALLOW_UNTRUST_ROUTE "allow_untrusted_routing"
+#define DEF_ALLOW_UNTRUST_ROUTE 0
+extern bool var_allow_untrust_route;
+
+ /*
+ * Names of specific restrictions, and the corresponding configuration
+ * parameters that control the status codes sent in response to rejected
+ * requests.
+ */
+#define PERMIT_ALL "permit"
+#define REJECT_ALL "reject"
+#define VAR_REJECT_CODE "reject_code"
+#define DEF_REJECT_CODE 554
+extern int var_reject_code;
+
+#define DEFER_ALL "defer"
+#define VAR_DEFER_CODE "defer_code"
+#define DEF_DEFER_CODE 450
+extern int var_defer_code;
+
+#define DEFER_IF_PERMIT "defer_if_permit"
+#define DEFER_IF_REJECT "defer_if_reject"
+
+#define VAR_REJECT_TMPF_ACT "reject_tempfail_action"
+#define DEF_REJECT_TMPF_ACT DEFER_IF_PERMIT
+extern char *var_reject_tmpf_act;
+
+#define SLEEP "sleep"
+
+#define REJECT_PLAINTEXT_SESSION "reject_plaintext_session"
+#define VAR_PLAINTEXT_CODE "plaintext_reject_code"
+#define DEF_PLAINTEXT_CODE 450
+extern int var_plaintext_code;
+
+#define REJECT_UNKNOWN_CLIENT "reject_unknown_client"
+#define REJECT_UNKNOWN_CLIENT_HOSTNAME "reject_unknown_client_hostname"
+#define REJECT_UNKNOWN_REVERSE_HOSTNAME "reject_unknown_reverse_client_hostname"
+#define REJECT_UNKNOWN_FORWARD_HOSTNAME "reject_unknown_forward_client_hostname"
+#define VAR_UNK_CLIENT_CODE "unknown_client_reject_code"
+#define DEF_UNK_CLIENT_CODE 450
+extern int var_unk_client_code;
+
+#define PERMIT_INET_INTERFACES "permit_inet_interfaces"
+
+#define PERMIT_MYNETWORKS "permit_mynetworks"
+
+#define PERMIT_NAKED_IP_ADDR "permit_naked_ip_address"
+
+#define REJECT_INVALID_HELO_HOSTNAME "reject_invalid_helo_hostname"
+#define REJECT_INVALID_HOSTNAME "reject_invalid_hostname"
+#define VAR_BAD_NAME_CODE "invalid_hostname_reject_code"
+#define DEF_BAD_NAME_CODE 501 /* SYNTAX */
+extern int var_bad_name_code;
+
+#define REJECT_UNKNOWN_HELO_HOSTNAME "reject_unknown_helo_hostname"
+#define REJECT_UNKNOWN_HOSTNAME "reject_unknown_hostname"
+#define VAR_UNK_NAME_CODE "unknown_hostname_reject_code"
+#define DEF_UNK_NAME_CODE 450
+extern int var_unk_name_code;
+
+#define VAR_UNK_NAME_TF_ACT "unknown_helo_hostname_tempfail_action"
+#define DEF_UNK_NAME_TF_ACT "$" VAR_REJECT_TMPF_ACT
+extern char *var_unk_name_tf_act;
+
+#define REJECT_NON_FQDN_HELO_HOSTNAME "reject_non_fqdn_helo_hostname"
+#define REJECT_NON_FQDN_HOSTNAME "reject_non_fqdn_hostname"
+#define REJECT_NON_FQDN_SENDER "reject_non_fqdn_sender"
+#define REJECT_NON_FQDN_RCPT "reject_non_fqdn_recipient"
+#define VAR_NON_FQDN_CODE "non_fqdn_reject_code"
+#define DEF_NON_FQDN_CODE 504 /* POLICY */
+extern int var_non_fqdn_code;
+
+#define REJECT_UNKNOWN_SENDDOM "reject_unknown_sender_domain"
+#define REJECT_UNKNOWN_RCPTDOM "reject_unknown_recipient_domain"
+#define REJECT_UNKNOWN_ADDRESS "reject_unknown_address"
+#define REJECT_UNLISTED_SENDER "reject_unlisted_sender"
+#define REJECT_UNLISTED_RCPT "reject_unlisted_recipient"
+#define CHECK_RCPT_MAPS "check_recipient_maps"
+
+#define VAR_UNK_ADDR_CODE "unknown_address_reject_code"
+#define DEF_UNK_ADDR_CODE 450
+extern int var_unk_addr_code;
+
+#define VAR_UNK_ADDR_TF_ACT "unknown_address_tempfail_action"
+#define DEF_UNK_ADDR_TF_ACT "$" VAR_REJECT_TMPF_ACT
+extern char *var_unk_addr_tf_act;
+
+#define VAR_SMTPD_REJ_UNL_FROM "smtpd_reject_unlisted_sender"
+#define DEF_SMTPD_REJ_UNL_FROM 0
+extern bool var_smtpd_rej_unl_from;
+
+#define VAR_SMTPD_REJ_UNL_RCPT "smtpd_reject_unlisted_recipient"
+#define DEF_SMTPD_REJ_UNL_RCPT 1
+extern bool var_smtpd_rej_unl_rcpt;
+
+#define REJECT_UNVERIFIED_RECIP "reject_unverified_recipient"
+#define VAR_UNV_RCPT_RCODE "unverified_recipient_reject_code"
+#define DEF_UNV_RCPT_RCODE 450
+extern int var_unv_rcpt_rcode;
+
+#define REJECT_UNVERIFIED_SENDER "reject_unverified_sender"
+#define VAR_UNV_FROM_RCODE "unverified_sender_reject_code"
+#define DEF_UNV_FROM_RCODE 450
+extern int var_unv_from_rcode;
+
+#define VAR_UNV_RCPT_DCODE "unverified_recipient_defer_code"
+#define DEF_UNV_RCPT_DCODE 450
+extern int var_unv_rcpt_dcode;
+
+#define VAR_UNV_FROM_DCODE "unverified_sender_defer_code"
+#define DEF_UNV_FROM_DCODE 450
+extern int var_unv_from_dcode;
+
+#define VAR_UNV_RCPT_TF_ACT "unverified_recipient_tempfail_action"
+#define DEF_UNV_RCPT_TF_ACT "$" VAR_REJECT_TMPF_ACT
+extern char *var_unv_rcpt_tf_act;
+
+#define VAR_UNV_FROM_TF_ACT "unverified_sender_tempfail_action"
+#define DEF_UNV_FROM_TF_ACT "$" VAR_REJECT_TMPF_ACT
+extern char *var_unv_from_tf_act;
+
+#define VAR_UNV_RCPT_WHY "unverified_recipient_reject_reason"
+#define DEF_UNV_RCPT_WHY ""
+extern char *var_unv_rcpt_why;
+
+#define VAR_UNV_FROM_WHY "unverified_sender_reject_reason"
+#define DEF_UNV_FROM_WHY ""
+extern char *var_unv_from_why;
+
+#define REJECT_MUL_RCPT_BOUNCE "reject_multi_recipient_bounce"
+#define VAR_MUL_RCPT_CODE "multi_recipient_bounce_reject_code"
+#define DEF_MUL_RCPT_CODE 550
+extern int var_mul_rcpt_code;
+
+#define PERMIT_AUTH_DEST "permit_auth_destination"
+#define REJECT_UNAUTH_DEST "reject_unauth_destination"
+#define DEFER_UNAUTH_DEST "defer_unauth_destination"
+#define CHECK_RELAY_DOMAINS "check_relay_domains"
+#define PERMIT_TLS_CLIENTCERTS "permit_tls_clientcerts"
+#define PERMIT_TLS_ALL_CLIENTCERTS "permit_tls_all_clientcerts"
+#define VAR_RELAY_CODE "relay_domains_reject_code"
+#define DEF_RELAY_CODE 554
+extern int var_relay_code;
+
+#define PERMIT_MX_BACKUP "permit_mx_backup"
+
+#define VAR_PERM_MX_NETWORKS "permit_mx_backup_networks"
+#define DEF_PERM_MX_NETWORKS ""
+extern char *var_perm_mx_networks;
+
+#define VAR_MAP_REJECT_CODE "access_map_reject_code"
+#define DEF_MAP_REJECT_CODE 554
+extern int var_map_reject_code;
+
+#define VAR_MAP_DEFER_CODE "access_map_defer_code"
+#define DEF_MAP_DEFER_CODE 450
+extern int var_map_defer_code;
+
+#define CHECK_CLIENT_ACL "check_client_access"
+#define CHECK_REVERSE_CLIENT_ACL "check_reverse_client_hostname_access"
+#define CHECK_CCERT_ACL "check_ccert_access"
+#define CHECK_SASL_ACL "check_sasl_access"
+#define CHECK_HELO_ACL "check_helo_access"
+#define CHECK_SENDER_ACL "check_sender_access"
+#define CHECK_RECIP_ACL "check_recipient_access"
+#define CHECK_ETRN_ACL "check_etrn_access"
+
+#define CHECK_CLIENT_MX_ACL "check_client_mx_access"
+#define CHECK_REVERSE_CLIENT_MX_ACL "check_reverse_client_hostname_mx_access"
+#define CHECK_HELO_MX_ACL "check_helo_mx_access"
+#define CHECK_SENDER_MX_ACL "check_sender_mx_access"
+#define CHECK_RECIP_MX_ACL "check_recipient_mx_access"
+#define CHECK_CLIENT_NS_ACL "check_client_ns_access"
+#define CHECK_REVERSE_CLIENT_NS_ACL "check_reverse_client_hostname_ns_access"
+#define CHECK_HELO_NS_ACL "check_helo_ns_access"
+#define CHECK_SENDER_NS_ACL "check_sender_ns_access"
+#define CHECK_RECIP_NS_ACL "check_recipient_ns_access"
+#define CHECK_CLIENT_A_ACL "check_client_a_access"
+#define CHECK_REVERSE_CLIENT_A_ACL "check_reverse_client_hostname_a_access"
+#define CHECK_HELO_A_ACL "check_helo_a_access"
+#define CHECK_SENDER_A_ACL "check_sender_a_access"
+#define CHECK_RECIP_A_ACL "check_recipient_a_access"
+
+#define WARN_IF_REJECT "warn_if_reject"
+
+#define REJECT_RBL "reject_rbl" /* LaMont compatibility */
+#define REJECT_RBL_CLIENT "reject_rbl_client"
+#define REJECT_RHSBL_CLIENT "reject_rhsbl_client"
+#define REJECT_RHSBL_REVERSE_CLIENT "reject_rhsbl_reverse_client"
+#define REJECT_RHSBL_HELO "reject_rhsbl_helo"
+#define REJECT_RHSBL_SENDER "reject_rhsbl_sender"
+#define REJECT_RHSBL_RECIPIENT "reject_rhsbl_recipient"
+
+#define PERMIT_DNSWL_CLIENT "permit_dnswl_client"
+#define PERMIT_RHSWL_CLIENT "permit_rhswl_client"
+
+#define VAR_RBL_REPLY_MAPS "rbl_reply_maps"
+#define DEF_RBL_REPLY_MAPS ""
+extern char *var_rbl_reply_maps;
+
+#define VAR_DEF_RBL_REPLY "default_rbl_reply"
+#define DEF_DEF_RBL_REPLY "$rbl_code Service unavailable; $rbl_class [$rbl_what] blocked using $rbl_domain${rbl_reason?; $rbl_reason}"
+extern char *var_def_rbl_reply;
+
+#define REJECT_MAPS_RBL "reject_maps_rbl" /* backwards compat */
+#define VAR_MAPS_RBL_CODE "maps_rbl_reject_code"
+#define DEF_MAPS_RBL_CODE 554
+extern int var_maps_rbl_code;
+
+#define VAR_MAPS_RBL_DOMAINS "maps_rbl_domains" /* backwards compat */
+#define DEF_MAPS_RBL_DOMAINS ""
+extern char *var_maps_rbl_domains;
+
+#define VAR_SMTPD_DELAY_REJECT "smtpd_delay_reject"
+#define DEF_SMTPD_DELAY_REJECT 1
+extern int var_smtpd_delay_reject;
+
+#define REJECT_UNAUTH_PIPE "reject_unauth_pipelining"
+
+#define VAR_SMTPD_NULL_KEY "smtpd_null_access_lookup_key"
+#define DEF_SMTPD_NULL_KEY "<>"
+extern char *var_smtpd_null_key;
+
+#define VAR_SMTPD_EXP_FILTER "smtpd_expansion_filter"
+#define DEF_SMTPD_EXP_FILTER "\\t\\40!\"#$%&'()*+,-./0123456789:;<=>?@\
+ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\\\]^_`\
+abcdefghijklmnopqrstuvwxyz{|}~"
+extern char *var_smtpd_exp_filter;
+
+#define VAR_SMTPD_PEERNAME_LOOKUP "smtpd_peername_lookup"
+#define DEF_SMTPD_PEERNAME_LOOKUP 1
+extern bool var_smtpd_peername_lookup;
+
+#define VAR_SMTPD_FORBID_UNAUTH_PIPE "smtpd_forbid_unauth_pipelining"
+#define DEF_SMTPD_FORBID_UNAUTH_PIPE 0
+extern bool var_smtpd_forbid_unauth_pipe;
+
+ /*
+ * Heuristic to reject unknown local recipients at the SMTP port.
+ */
+#define VAR_LOCAL_RCPT_MAPS "local_recipient_maps"
+#define DEF_LOCAL_RCPT_MAPS "proxy:unix:passwd.byname $" VAR_ALIAS_MAPS
+extern char *var_local_rcpt_maps;
+
+#define VAR_LOCAL_RCPT_CODE "unknown_local_recipient_reject_code"
+#define DEF_LOCAL_RCPT_CODE 550
+extern int var_local_rcpt_code;
+
+ /*
+ * List of pre-approved maps that are OK to open with the proxymap service.
+ */
+#define VAR_PROXY_READ_MAPS "proxy_read_maps"
+#define DEF_PROXY_READ_MAPS "$" VAR_LOCAL_RCPT_MAPS \
+ " $" VAR_MYDEST \
+ " $" VAR_VIRT_ALIAS_MAPS \
+ " $" VAR_VIRT_ALIAS_DOMS \
+ " $" VAR_VIRT_MAILBOX_MAPS \
+ " $" VAR_VIRT_MAILBOX_DOMS \
+ " $" VAR_RELAY_RCPT_MAPS \
+ " $" VAR_RELAY_DOMAINS \
+ " $" VAR_CANONICAL_MAPS \
+ " $" VAR_SEND_CANON_MAPS \
+ " $" VAR_RCPT_CANON_MAPS \
+ " $" VAR_RELOCATED_MAPS \
+ " $" VAR_TRANSPORT_MAPS \
+ " $" VAR_MYNETWORKS \
+ " $" VAR_SMTPD_SND_AUTH_MAPS \
+ " $" VAR_SEND_BCC_MAPS \
+ " $" VAR_RCPT_BCC_MAPS \
+ " $" VAR_SMTP_GENERIC_MAPS \
+ " $" VAR_LMTP_GENERIC_MAPS \
+ " $" VAR_ALIAS_MAPS \
+ " $" VAR_CLIENT_CHECKS \
+ " $" VAR_HELO_CHECKS \
+ " $" VAR_MAIL_CHECKS \
+ " $" VAR_RELAY_CHECKS \
+ " $" VAR_RCPT_CHECKS \
+ " $" VAR_VRFY_SND_DEF_XPORT_MAPS \
+ " $" VAR_VRFY_RELAY_MAPS \
+ " $" VAR_VRFY_XPORT_MAPS \
+ " $" VAR_FBCK_TRANSP_MAPS \
+ " $" VAR_LMTP_EHLO_DIS_MAPS \
+ " $" VAR_LMTP_PIX_BUG_MAPS \
+ " $" VAR_LMTP_SASL_PASSWD \
+ " $" VAR_LMTP_TLS_POLICY \
+ " $" VAR_MAILBOX_CMD_MAPS \
+ " $" VAR_MBOX_TRANSP_MAPS \
+ " $" VAR_PSC_EHLO_DIS_MAPS \
+ " $" VAR_RBL_REPLY_MAPS \
+ " $" VAR_SND_DEF_XPORT_MAPS \
+ " $" VAR_SND_RELAY_MAPS \
+ " $" VAR_SMTP_EHLO_DIS_MAPS \
+ " $" VAR_SMTP_PIX_BUG_MAPS \
+ " $" VAR_SMTP_SASL_PASSWD \
+ " $" VAR_SMTP_TLS_POLICY \
+ " $" VAR_SMTPD_EHLO_DIS_MAPS \
+ " $" VAR_SMTPD_MILTER_MAPS \
+ " $" VAR_VIRT_GID_MAPS \
+ " $" VAR_VIRT_UID_MAPS \
+ " $" VAR_PSC_REJ_FTR_MAPS \
+ " $" VAR_SMTPD_REJ_FTR_MAPS \
+ " $" VAR_TLS_SERVER_SNI_MAPS \
+ " $" VAR_DSN_FILTER \
+ " $" VAR_LMTP_DSN_FILTER \
+ " $" VAR_LMTP_DNS_RE_FILTER \
+ " $" VAR_LMTP_RESP_FILTER \
+ " $" VAR_LOCAL_DSN_FILTER \
+ " $" VAR_PIPE_DSN_FILTER \
+ " $" VAR_PSC_CMD_FILTER \
+ " $" VAR_SMTP_DSN_FILTER \
+ " $" VAR_SMTP_DNS_RE_FILTER \
+ " $" VAR_SMTP_RESP_FILTER \
+ " $" VAR_SMTPD_CMD_FILTER \
+ " $" VAR_SMTPD_DNS_RE_FILTER \
+ " $" VAR_VIRT_DSN_FILTER \
+ " $" VAR_BODY_CHECKS \
+ " $" VAR_HEADER_CHECKS \
+ " $" VAR_LMTP_BODY_CHKS \
+ " $" VAR_LMTP_HEAD_CHKS \
+ " $" VAR_LMTP_MIME_CHKS \
+ " $" VAR_LMTP_NEST_CHKS \
+ " $" VAR_MILT_HEAD_CHECKS \
+ " $" VAR_MIMEHDR_CHECKS \
+ " $" VAR_NESTHDR_CHECKS \
+ " $" VAR_SMTP_BODY_CHKS \
+ " $" VAR_SMTP_HEAD_CHKS \
+ " $" VAR_SMTP_MIME_CHKS \
+ " $" VAR_SMTP_NEST_CHKS
+extern char *var_proxy_read_maps;
+
+#define VAR_PROXY_WRITE_MAPS "proxy_write_maps"
+#define DEF_PROXY_WRITE_MAPS "$" VAR_SMTP_SASL_AUTH_CACHE_NAME \
+ " $" VAR_LMTP_SASL_AUTH_CACHE_NAME \
+ " $" VAR_VERIFY_MAP \
+ " $" VAR_PSC_CACHE_MAP
+extern char *var_proxy_write_maps;
+
+#define VAR_PROXY_READ_ACL "proxy_read_access_list"
+#define DEF_PROXY_READ_ACL "reject"
+extern char *var_proxy_read_acl;
+
+#define VAR_PROXY_WRITE_ACL "proxy_write_access_list"
+#define DEF_PROXY_WRITE_ACL "reject"
+extern char *var_proxy_write_acl;
+
+ /*
+ * Other.
+ */
+#define VAR_PROCNAME "process_name"
+extern char *var_procname;
+
+#define VAR_SERVNAME "service_name"
+extern char *var_servname;
+
+#define VAR_PID "process_id"
+extern int var_pid;
+
+#define VAR_DEBUG_COMMAND "debugger_command"
+
+ /*
+ * Paranoia: save files instead of deleting them.
+ */
+#define VAR_DONT_REMOVE "dont_remove"
+#define DEF_DONT_REMOVE 0
+extern bool var_dont_remove;
+
+ /*
+ * Paranoia: defer messages instead of bouncing them.
+ */
+#define VAR_SOFT_BOUNCE "soft_bounce"
+#define DEF_SOFT_BOUNCE 0
+extern bool var_soft_bounce;
+
+ /*
+ * Give special treatment to owner- and -request.
+ */
+#define VAR_OWNREQ_SPECIAL "owner_request_special"
+#define DEF_OWNREQ_SPECIAL 1
+extern bool var_ownreq_special;
+
+ /*
+ * Allow/disallow recipient addresses starting with `-'.
+ */
+#define VAR_ALLOW_MIN_USER "allow_min_user"
+#define DEF_ALLOW_MIN_USER 0
+extern bool var_allow_min_user;
+
+extern void mail_params_init(void);
+
+ /*
+ * Content inspection and filtering.
+ */
+#define VAR_FILTER_XPORT "content_filter"
+#define DEF_FILTER_XPORT ""
+extern char *var_filter_xport;
+
+#define VAR_DEF_FILTER_NEXTHOP "default_filter_nexthop"
+#define DEF_DEF_FILTER_NEXTHOP ""
+extern char *var_def_filter_nexthop;
+
+ /*
+ * Fast flush service support.
+ */
+#define VAR_FFLUSH_DOMAINS "fast_flush_domains"
+#define DEF_FFLUSH_DOMAINS "$relay_domains"
+extern char *var_fflush_domains;
+
+#define VAR_FFLUSH_PURGE "fast_flush_purge_time"
+#define DEF_FFLUSH_PURGE "7d"
+extern int var_fflush_purge;
+
+#define VAR_FFLUSH_REFRESH "fast_flush_refresh_time"
+#define DEF_FFLUSH_REFRESH "12h"
+extern int var_fflush_refresh;
+
+ /*
+ * Environmental management - what Postfix imports from the external world,
+ * and what Postfix exports to the external world.
+ */
+#define VAR_IMPORT_ENVIRON "import_environment"
+#define DEF_IMPORT_ENVIRON "MAIL_CONFIG MAIL_DEBUG MAIL_LOGTAG " \
+ "TZ XAUTHORITY DISPLAY LANG=C " \
+ "POSTLOG_SERVICE POSTLOG_HOSTNAME"
+extern char *var_import_environ;
+
+#define VAR_EXPORT_ENVIRON "export_environment"
+#define DEF_EXPORT_ENVIRON "TZ MAIL_CONFIG LANG"
+extern char *var_export_environ;
+
+ /*
+ * Tunables for the "virtual" local delivery agent
+ */
+#define VAR_VIRT_TRANSPORT "virtual_transport"
+#define DEF_VIRT_TRANSPORT MAIL_SERVICE_VIRTUAL
+extern char *var_virt_transport;
+
+#define VAR_VIRT_MAILBOX_MAPS "virtual_mailbox_maps"
+#define DEF_VIRT_MAILBOX_MAPS ""
+extern char *var_virt_mailbox_maps;
+
+#define VAR_VIRT_MAILBOX_DOMS "virtual_mailbox_domains"
+#define DEF_VIRT_MAILBOX_DOMS "$virtual_mailbox_maps"
+extern char *var_virt_mailbox_doms;
+
+#define VAR_VIRT_MAILBOX_CODE "unknown_virtual_mailbox_reject_code"
+#define DEF_VIRT_MAILBOX_CODE 550
+extern int var_virt_mailbox_code;
+
+#define VAR_VIRT_UID_MAPS "virtual_uid_maps"
+#define DEF_VIRT_UID_MAPS ""
+extern char *var_virt_uid_maps;
+
+#define VAR_VIRT_GID_MAPS "virtual_gid_maps"
+#define DEF_VIRT_GID_MAPS ""
+extern char *var_virt_gid_maps;
+
+#define VAR_VIRT_MINUID "virtual_minimum_uid"
+#define DEF_VIRT_MINUID 100
+extern int var_virt_minimum_uid;
+
+#define VAR_VIRT_MAILBOX_BASE "virtual_mailbox_base"
+#define DEF_VIRT_MAILBOX_BASE ""
+extern char *var_virt_mailbox_base;
+
+#define VAR_VIRT_MAILBOX_LIMIT "virtual_mailbox_limit"
+#define DEF_VIRT_MAILBOX_LIMIT (5 * DEF_MESSAGE_LIMIT)
+extern long var_virt_mailbox_limit;
+
+#define VAR_VIRT_MAILBOX_LOCK "virtual_mailbox_lock"
+#define DEF_VIRT_MAILBOX_LOCK "fcntl, dotlock"
+extern char *var_virt_mailbox_lock;
+
+ /*
+ * Distinct logging tag for multiple Postfix instances.
+ */
+#define VAR_SYSLOG_NAME "syslog_name"
+#if 1
+#define DEF_SYSLOG_NAME \
+ "${" VAR_MULTI_NAME "?{$" VAR_MULTI_NAME "}:{postfix}}"
+#else
+#define DEF_SYSLOG_NAME "postfix"
+#endif
+extern char *var_syslog_name;
+
+ /*
+ * QMQPD
+ */
+#define VAR_QMQPD_CLIENTS "qmqpd_authorized_clients"
+#define DEF_QMQPD_CLIENTS ""
+extern char *var_qmqpd_clients;
+
+#define VAR_QMTPD_TMOUT "qmqpd_timeout"
+#define DEF_QMTPD_TMOUT "300s"
+extern int var_qmqpd_timeout;
+
+#define VAR_QMTPD_ERR_SLEEP "qmqpd_error_delay"
+#define DEF_QMTPD_ERR_SLEEP "1s"
+extern int var_qmqpd_err_sleep;
+
+ /*
+ * VERP, more DJB intellectual cross-pollination. However, we prefer + as
+ * the default recipient delimiter.
+ */
+#define VAR_VERP_DELIMS "default_verp_delimiters"
+#define DEF_VERP_DELIMS "+="
+extern char *var_verp_delims;
+
+#define VAR_VERP_FILTER "verp_delimiter_filter"
+#define DEF_VERP_FILTER "-=+"
+extern char *var_verp_filter;
+
+#define VAR_VERP_BOUNCE_OFF "disable_verp_bounces"
+#define DEF_VERP_BOUNCE_OFF 0
+extern bool var_verp_bounce_off;
+
+#define VAR_VERP_CLIENTS "smtpd_authorized_verp_clients"
+#define DEF_VERP_CLIENTS "$authorized_verp_clients"
+extern char *var_verp_clients;
+
+ /*
+ * XCLIENT, for rule testing and fetchmail like apps.
+ */
+#define VAR_XCLIENT_HOSTS "smtpd_authorized_xclient_hosts"
+#define DEF_XCLIENT_HOSTS ""
+extern char *var_xclient_hosts;
+
+ /*
+ * XFORWARD, for improved post-filter logging.
+ */
+#define VAR_XFORWARD_HOSTS "smtpd_authorized_xforward_hosts"
+#define DEF_XFORWARD_HOSTS ""
+extern char *var_xforward_hosts;
+
+ /*
+ * Inbound mail flow control. This allows for a stiffer coupling between
+ * receiving mail and sending mail. A sending process produces one token for
+ * each message that it takes from the incoming queue; a receiving process
+ * consumes one token for each message that it adds to the incoming queue.
+ * When no token is available (Postfix receives more mail than it is able to
+ * deliver) a receiving process pauses for $in_flow_delay seconds so that
+ * the sending processes get a chance to access the disk.
+ */
+#define VAR_IN_FLOW_DELAY "in_flow_delay"
+#ifdef PIPES_CANT_FIONREAD
+#define DEF_IN_FLOW_DELAY "0s"
+#else
+#define DEF_IN_FLOW_DELAY "1s"
+#endif
+extern int var_in_flow_delay;
+
+ /*
+ * Backwards compatibility: foo.com matches itself and names below foo.com.
+ */
+#define VAR_PAR_DOM_MATCH "parent_domain_matches_subdomains"
+#define DEF_PAR_DOM_MATCH VAR_DEBUG_PEER_LIST "," \
+ VAR_FFLUSH_DOMAINS "," \
+ VAR_MYNETWORKS "," \
+ VAR_PERM_MX_NETWORKS "," \
+ VAR_QMQPD_CLIENTS "," \
+ VAR_RELAY_DOMAINS "," \
+ SMTPD_ACCESS_MAPS
+extern char *var_par_dom_match;
+
+#define SMTPD_ACCESS_MAPS "smtpd_access_maps"
+
+ /*
+ * Run-time fault injection.
+ */
+#define VAR_FAULT_INJ_CODE "fault_injection_code"
+#define DEF_FAULT_INJ_CODE 0
+extern int var_fault_inj_code;
+
+ /*
+ * Install/upgrade information.
+ */
+#define VAR_SENDMAIL_PATH "sendmail_path"
+#ifndef DEF_SENDMAIL_PATH
+#define DEF_SENDMAIL_PATH "/usr/sbin/sendmail"
+#endif
+
+#define VAR_MAILQ_PATH "mailq_path"
+#ifndef DEF_MAILQ_PATH
+#define DEF_MAILQ_PATH "/usr/bin/mailq"
+#endif
+
+#define VAR_NEWALIAS_PATH "newaliases_path"
+#ifndef DEF_NEWALIAS_PATH
+#define DEF_NEWALIAS_PATH "/usr/bin/newaliases"
+#endif
+
+#define VAR_OPENSSL_PATH "openssl_path"
+#ifndef DEF_OPENSSL_PATH
+#define DEF_OPENSSL_PATH "openssl"
+#endif
+extern char *var_openssl_path;
+
+#define VAR_MANPAGE_DIR "manpage_directory"
+#ifndef DEF_MANPAGE_DIR
+#define DEF_MANPAGE_DIR "/usr/local/man"
+#endif
+
+#define VAR_SAMPLE_DIR "sample_directory"
+#ifndef DEF_SAMPLE_DIR
+#define DEF_SAMPLE_DIR DEF_CONFIG_DIR
+#endif
+
+#define VAR_README_DIR "readme_directory"
+#ifndef DEF_README_DIR
+#define DEF_README_DIR "no"
+#endif
+
+#define VAR_HTML_DIR "html_directory"
+#ifndef DEF_HTML_DIR
+#define DEF_HTML_DIR "no"
+#endif
+
+ /*
+ * Safety: resolve the address with unquoted localpart (default, but
+ * technically incorrect), instead of resolving the address with quoted
+ * localpart (technically correct, but unsafe). The default prevents mail
+ * relay loopholes with "user@domain"@domain when relaying mail to a
+ * Sendmail system.
+ */
+#define VAR_RESOLVE_DEQUOTED "resolve_dequoted_address"
+#define DEF_RESOLVE_DEQUOTED 1
+extern bool var_resolve_dequoted;
+
+#define VAR_RESOLVE_NULLDOM "resolve_null_domain"
+#define DEF_RESOLVE_NULLDOM 0
+extern bool var_resolve_nulldom;
+
+#define VAR_RESOLVE_NUM_DOM "resolve_numeric_domain"
+#define DEF_RESOLVE_NUM_DOM 0
+extern bool var_resolve_num_dom;
+
+ /*
+ * Service names. The transport (TCP, FIFO or UNIX-domain) type is frozen
+ * because you cannot simply mix them, and accessibility (private/public) is
+ * frozen for security reasons. We list only the internal services, not the
+ * externally visible SMTP server, or the delivery agents that can already
+ * be chosen via transport mappings etc.
+ */
+#define VAR_BOUNCE_SERVICE "bounce_service_name"
+#define DEF_BOUNCE_SERVICE MAIL_SERVICE_BOUNCE
+extern char *var_bounce_service;
+
+#define VAR_CLEANUP_SERVICE "cleanup_service_name"
+#define DEF_CLEANUP_SERVICE MAIL_SERVICE_CLEANUP
+extern char *var_cleanup_service;
+
+#define VAR_DEFER_SERVICE "defer_service_name"
+#define DEF_DEFER_SERVICE MAIL_SERVICE_DEFER
+extern char *var_defer_service;
+
+#define VAR_PICKUP_SERVICE "pickup_service_name"
+#define DEF_PICKUP_SERVICE MAIL_SERVICE_PICKUP
+extern char *var_pickup_service;
+
+#define VAR_QUEUE_SERVICE "queue_service_name"
+#define DEF_QUEUE_SERVICE MAIL_SERVICE_QUEUE
+extern char *var_queue_service;
+
+ /* XXX resolve does not exist as a separate service */
+
+#define VAR_REWRITE_SERVICE "rewrite_service_name"
+#define DEF_REWRITE_SERVICE MAIL_SERVICE_REWRITE
+extern char *var_rewrite_service;
+
+#define VAR_SHOWQ_SERVICE "showq_service_name"
+#define DEF_SHOWQ_SERVICE MAIL_SERVICE_SHOWQ
+extern char *var_showq_service;
+
+#define VAR_ERROR_SERVICE "error_service_name"
+#define DEF_ERROR_SERVICE MAIL_SERVICE_ERROR
+extern char *var_error_service;
+
+#define VAR_FLUSH_SERVICE "flush_service_name"
+#define DEF_FLUSH_SERVICE MAIL_SERVICE_FLUSH
+extern char *var_flush_service;
+
+ /*
+ * Session cache service.
+ */
+#define VAR_SCACHE_SERVICE "connection_cache_service_name"
+#define DEF_SCACHE_SERVICE "scache"
+extern char *var_scache_service;
+
+#define VAR_SCACHE_PROTO_TMOUT "connection_cache_protocol_timeout"
+#define DEF_SCACHE_PROTO_TMOUT "5s"
+extern int var_scache_proto_tmout;
+
+#define VAR_SCACHE_TTL_LIM "connection_cache_ttl_limit"
+#define DEF_SCACHE_TTL_LIM "2s"
+extern int var_scache_ttl_lim;
+
+#define VAR_SCACHE_STAT_TIME "connection_cache_status_update_time"
+#define DEF_SCACHE_STAT_TIME "600s"
+extern int var_scache_stat_time;
+
+#define VAR_VRFY_PEND_LIMIT "address_verify_pending_request_limit"
+#define DEF_VRFY_PEND_LIMIT (DEF_QMGR_ACT_LIMIT / 4)
+extern int var_vrfy_pend_limit;
+
+ /*
+ * Address verification service.
+ */
+#define VAR_VERIFY_SERVICE "address_verify_service_name"
+#define DEF_VERIFY_SERVICE MAIL_SERVICE_VERIFY
+extern char *var_verify_service;
+
+#define VAR_VERIFY_MAP "address_verify_map"
+#define DEF_VERIFY_MAP "btree:$data_directory/verify_cache"
+extern char *var_verify_map;
+
+#define VAR_VERIFY_POS_EXP "address_verify_positive_expire_time"
+#define DEF_VERIFY_POS_EXP "31d"
+extern int var_verify_pos_exp;
+
+#define VAR_VERIFY_POS_TRY "address_verify_positive_refresh_time"
+#define DEF_VERIFY_POS_TRY "7d"
+extern int var_verify_pos_try;
+
+#define VAR_VERIFY_NEG_EXP "address_verify_negative_expire_time"
+#define DEF_VERIFY_NEG_EXP "3d"
+extern int var_verify_neg_exp;
+
+#define VAR_VERIFY_NEG_TRY "address_verify_negative_refresh_time"
+#define DEF_VERIFY_NEG_TRY "3h"
+extern int var_verify_neg_try;
+
+#define VAR_VERIFY_NEG_CACHE "address_verify_negative_cache"
+#define DEF_VERIFY_NEG_CACHE 1
+extern bool var_verify_neg_cache;
+
+#define VAR_VERIFY_SCAN_CACHE "address_verify_cache_cleanup_interval"
+#define DEF_VERIFY_SCAN_CACHE "12h"
+extern int var_verify_scan_cache;
+
+#define VAR_VERIFY_SENDER "address_verify_sender"
+#define DEF_VERIFY_SENDER "$" VAR_DOUBLE_BOUNCE
+extern char *var_verify_sender;
+
+#define VAR_VERIFY_SENDER_TTL "address_verify_sender_ttl"
+#define DEF_VERIFY_SENDER_TTL "0s"
+extern int var_verify_sender_ttl;
+
+#define VAR_VERIFY_POLL_COUNT "address_verify_poll_count"
+#define DEF_VERIFY_POLL_COUNT "${stress?{1}:{3}}"
+extern int var_verify_poll_count;
+
+#define VAR_VERIFY_POLL_DELAY "address_verify_poll_delay"
+#define DEF_VERIFY_POLL_DELAY "3s"
+extern int var_verify_poll_delay;
+
+#define VAR_VRFY_LOCAL_XPORT "address_verify_local_transport"
+#define DEF_VRFY_LOCAL_XPORT "$" VAR_LOCAL_TRANSPORT
+extern char *var_vrfy_local_xport;
+
+#define VAR_VRFY_VIRT_XPORT "address_verify_virtual_transport"
+#define DEF_VRFY_VIRT_XPORT "$" VAR_VIRT_TRANSPORT
+extern char *var_vrfy_virt_xport;
+
+#define VAR_VRFY_RELAY_XPORT "address_verify_relay_transport"
+#define DEF_VRFY_RELAY_XPORT "$" VAR_RELAY_TRANSPORT
+extern char *var_vrfy_relay_xport;
+
+#define VAR_VRFY_DEF_XPORT "address_verify_default_transport"
+#define DEF_VRFY_DEF_XPORT "$" VAR_DEF_TRANSPORT
+extern char *var_vrfy_def_xport;
+
+#define VAR_VRFY_SND_DEF_XPORT_MAPS "address_verify_" VAR_SND_DEF_XPORT_MAPS
+#define DEF_VRFY_SND_DEF_XPORT_MAPS "$" VAR_SND_DEF_XPORT_MAPS
+extern char *var_snd_def_xport_maps;
+
+#define VAR_VRFY_RELAYHOST "address_verify_relayhost"
+#define DEF_VRFY_RELAYHOST "$" VAR_RELAYHOST
+extern char *var_vrfy_relayhost;
+
+#define VAR_VRFY_RELAY_MAPS "address_verify_sender_dependent_relayhost_maps"
+#define DEF_VRFY_RELAY_MAPS "$" VAR_SND_RELAY_MAPS
+extern char *var_vrfy_relay_maps;
+
+#define VAR_VRFY_XPORT_MAPS "address_verify_transport_maps"
+#define DEF_VRFY_XPORT_MAPS "$" VAR_TRANSPORT_MAPS
+extern char *var_vrfy_xport_maps;
+
+#define SMTP_VRFY_TGT_RCPT "rcpt"
+#define SMTP_VRFY_TGT_DATA "data"
+#define VAR_LMTP_VRFY_TGT "lmtp_address_verify_target"
+#define DEF_LMTP_VRFY_TGT SMTP_VRFY_TGT_RCPT
+#define VAR_SMTP_VRFY_TGT "smtp_address_verify_target"
+#define DEF_SMTP_VRFY_TGT SMTP_VRFY_TGT_RCPT
+extern char *var_smtp_vrfy_tgt;
+
+ /*
+ * Message delivery trace service.
+ */
+#define VAR_TRACE_SERVICE "trace_service_name"
+#define DEF_TRACE_SERVICE MAIL_SERVICE_TRACE
+extern char *var_trace_service;
+
+ /*
+ * Proxymappers.
+ */
+#define VAR_PROXYMAP_SERVICE "proxymap_service_name"
+#define DEF_PROXYMAP_SERVICE MAIL_SERVICE_PROXYMAP
+extern char *var_proxymap_service;
+
+#define VAR_PROXYWRITE_SERVICE "proxywrite_service_name"
+#define DEF_PROXYWRITE_SERVICE MAIL_SERVICE_PROXYWRITE
+extern char *var_proxywrite_service;
+
+ /*
+ * Mailbox/maildir delivery errors that cause delivery to be tried again.
+ */
+#define VAR_MBX_DEFER_ERRS "mailbox_defer_errors"
+#define DEF_MBX_DEFER_ERRS "eagain, enospc, estale"
+extern char *var_mbx_defer_errs;
+
+#define VAR_MDR_DEFER_ERRS "maildir_defer_errors"
+#define DEF_MDR_DEFER_ERRS "enospc, estale"
+extern char *var_mdr_defer_errs;
+
+ /*
+ * Berkeley DB memory pool sizes.
+ */
+#define VAR_DB_CREATE_BUF "berkeley_db_create_buffer_size"
+#define DEF_DB_CREATE_BUF (16 * 1024 *1024)
+extern int var_db_create_buf;
+
+#define VAR_DB_READ_BUF "berkeley_db_read_buffer_size"
+#define DEF_DB_READ_BUF (128 *1024)
+extern int var_db_read_buf;
+
+ /*
+ * OpenLDAP LMDB settings.
+ */
+#define VAR_LMDB_MAP_SIZE "lmdb_map_size"
+#define DEF_LMDB_MAP_SIZE (16 * 1024 *1024)
+extern long var_lmdb_map_size;
+
+ /*
+ * Named queue file attributes.
+ */
+#define VAR_QATTR_COUNT_LIMIT "queue_file_attribute_count_limit"
+#define DEF_QATTR_COUNT_LIMIT 100
+extern int var_qattr_count_limit;
+
+ /*
+ * MIME support.
+ */
+#define VAR_MIME_MAXDEPTH "mime_nesting_limit"
+#define DEF_MIME_MAXDEPTH 100
+extern int var_mime_maxdepth;
+
+#define VAR_MIME_BOUND_LEN "mime_boundary_length_limit"
+#define DEF_MIME_BOUND_LEN 2048
+extern int var_mime_bound_len;
+
+#define VAR_DISABLE_MIME_INPUT "disable_mime_input_processing"
+#define DEF_DISABLE_MIME_INPUT 0
+extern bool var_disable_mime_input;
+
+#define VAR_DISABLE_MIME_OCONV "disable_mime_output_conversion"
+#define DEF_DISABLE_MIME_OCONV 0
+extern bool var_disable_mime_oconv;
+
+#define VAR_STRICT_8BITMIME "strict_8bitmime"
+#define DEF_STRICT_8BITMIME 0
+extern bool var_strict_8bitmime;
+
+#define VAR_STRICT_7BIT_HDRS "strict_7bit_headers"
+#define DEF_STRICT_7BIT_HDRS 0
+extern bool var_strict_7bit_hdrs;
+
+#define VAR_STRICT_8BIT_BODY "strict_8bitmime_body"
+#define DEF_STRICT_8BIT_BODY 0
+extern bool var_strict_8bit_body;
+
+#define VAR_STRICT_ENCODING "strict_mime_encoding_domain"
+#define DEF_STRICT_ENCODING 0
+extern bool var_strict_encoding;
+
+#define VAR_AUTO_8BIT_ENC_HDR "detect_8bit_encoding_header"
+#define DEF_AUTO_8BIT_ENC_HDR 1
+extern int var_auto_8bit_enc_hdr;
+
+ /*
+ * Bizarre.
+ */
+#define VAR_SENDER_ROUTING "sender_based_routing"
+#define DEF_SENDER_ROUTING 0
+extern bool var_sender_routing;
+
+#define VAR_XPORT_NULL_KEY "transport_null_address_lookup_key"
+#define DEF_XPORT_NULL_KEY "<>"
+extern char *var_xport_null_key;
+
+ /*
+ * Bounce service controls.
+ */
+#define VAR_OLDLOG_COMPAT "backwards_bounce_logfile_compatibility"
+#define DEF_OLDLOG_COMPAT 1
+extern bool var_oldlog_compat;
+
+ /*
+ * SMTPD content proxy.
+ */
+#define VAR_SMTPD_PROXY_FILT "smtpd_proxy_filter"
+#define DEF_SMTPD_PROXY_FILT ""
+extern char *var_smtpd_proxy_filt;
+
+#define VAR_SMTPD_PROXY_EHLO "smtpd_proxy_ehlo"
+#define DEF_SMTPD_PROXY_EHLO "$" VAR_MYHOSTNAME
+extern char *var_smtpd_proxy_ehlo;
+
+#define VAR_SMTPD_PROXY_TMOUT "smtpd_proxy_timeout"
+#define DEF_SMTPD_PROXY_TMOUT "100s"
+extern int var_smtpd_proxy_tmout;
+
+#define VAR_SMTPD_PROXY_OPTS "smtpd_proxy_options"
+#define DEF_SMTPD_PROXY_OPTS ""
+extern char *var_smtpd_proxy_opts;
+
+ /*
+ * Transparency options for mail input interfaces and for the cleanup server
+ * behind them. These should turn off stuff we don't want to happen, because
+ * the default is to do a lot of things.
+ */
+#define VAR_INPUT_TRANSP "receive_override_options"
+#define DEF_INPUT_TRANSP ""
+extern char *var_smtpd_input_transp;
+
+ /*
+ * SMTP server policy delegation.
+ */
+#define VAR_SMTPD_POLICY_TMOUT "smtpd_policy_service_timeout"
+#define DEF_SMTPD_POLICY_TMOUT "100s"
+extern int var_smtpd_policy_tmout;
+
+#define VAR_SMTPD_POLICY_REQ_LIMIT "smtpd_policy_service_request_limit"
+#define DEF_SMTPD_POLICY_REQ_LIMIT 0
+extern int var_smtpd_policy_req_limit;
+
+#define VAR_SMTPD_POLICY_IDLE "smtpd_policy_service_max_idle"
+#define DEF_SMTPD_POLICY_IDLE "300s"
+extern int var_smtpd_policy_idle;
+
+#define VAR_SMTPD_POLICY_TTL "smtpd_policy_service_max_ttl"
+#define DEF_SMTPD_POLICY_TTL "1000s"
+extern int var_smtpd_policy_ttl;
+
+#define VAR_SMTPD_POLICY_TRY_LIMIT "smtpd_policy_service_try_limit"
+#define DEF_SMTPD_POLICY_TRY_LIMIT 2
+extern int var_smtpd_policy_try_limit;
+
+#define VAR_SMTPD_POLICY_TRY_DELAY "smtpd_policy_service_retry_delay"
+#define DEF_SMTPD_POLICY_TRY_DELAY "1s"
+extern int var_smtpd_policy_try_delay;
+
+#define VAR_SMTPD_POLICY_DEF_ACTION "smtpd_policy_service_default_action"
+#define DEF_SMTPD_POLICY_DEF_ACTION "451 4.3.5 Server configuration problem"
+extern char *var_smtpd_policy_def_action;
+
+#define VAR_SMTPD_POLICY_CONTEXT "smtpd_policy_service_policy_context"
+#define DEF_SMTPD_POLICY_CONTEXT ""
+extern char *var_smtpd_policy_context;
+
+#define CHECK_POLICY_SERVICE "check_policy_service"
+
+ /*
+ * Client rate control.
+ */
+#define VAR_SMTPD_CRATE_LIMIT "smtpd_client_connection_rate_limit"
+#define DEF_SMTPD_CRATE_LIMIT 0
+extern int var_smtpd_crate_limit;
+
+#define VAR_SMTPD_CCONN_LIMIT "smtpd_client_connection_count_limit"
+#define DEF_SMTPD_CCONN_LIMIT ((DEF_PROC_LIMIT + 1) / 2)
+extern int var_smtpd_cconn_limit;
+
+#define VAR_SMTPD_CMAIL_LIMIT "smtpd_client_message_rate_limit"
+#define DEF_SMTPD_CMAIL_LIMIT 0
+extern int var_smtpd_cmail_limit;
+
+#define VAR_SMTPD_CRCPT_LIMIT "smtpd_client_recipient_rate_limit"
+#define DEF_SMTPD_CRCPT_LIMIT 0
+extern int var_smtpd_crcpt_limit;
+
+#define VAR_SMTPD_CNTLS_LIMIT "smtpd_client_new_tls_session_rate_limit"
+#define DEF_SMTPD_CNTLS_LIMIT 0
+extern int var_smtpd_cntls_limit;
+
+#define VAR_SMTPD_CAUTH_LIMIT "smtpd_client_auth_rate_limit"
+#define DEF_SMTPD_CAUTH_LIMIT 0
+extern int var_smtpd_cauth_limit;
+
+#define VAR_SMTPD_HOGGERS "smtpd_client_event_limit_exceptions"
+#define DEF_SMTPD_HOGGERS "${smtpd_client_connection_limit_exceptions:$" VAR_MYNETWORKS "}"
+extern char *var_smtpd_hoggers;
+
+#define VAR_ANVIL_TIME_UNIT "anvil_rate_time_unit"
+#define DEF_ANVIL_TIME_UNIT "60s"
+extern int var_anvil_time_unit;
+
+#define VAR_ANVIL_STAT_TIME "anvil_status_update_time"
+#define DEF_ANVIL_STAT_TIME "600s"
+extern int var_anvil_stat_time;
+
+ /*
+ * Temporary stop gap.
+ */
+#if 0
+#include <anvil_clnt.h>
+
+#define VAR_ANVIL_SERVICE "client_connection_rate_service_name"
+#define DEF_ANVIL_SERVICE "local:" ANVIL_CLASS "/" ANVIL_SERVICE
+extern char *var_anvil_service;
+
+#endif
+
+ /*
+ * What domain names to assume when no valid domain context exists.
+ */
+#define VAR_REM_RWR_DOMAIN "remote_header_rewrite_domain"
+#define DEF_REM_RWR_DOMAIN ""
+extern char *var_remote_rwr_domain;
+
+#define CHECK_ADDR_MAP "check_address_map"
+
+#define VAR_LOC_RWR_CLIENTS "local_header_rewrite_clients"
+#define DEF_LOC_RWR_CLIENTS PERMIT_INET_INTERFACES
+extern char *var_local_rwr_clients;
+
+ /*
+ * EHLO keyword filter.
+ */
+#define VAR_SMTPD_EHLO_DIS_WORDS "smtpd_discard_ehlo_keywords"
+#define DEF_SMTPD_EHLO_DIS_WORDS ""
+extern char *var_smtpd_ehlo_dis_words;
+
+#define VAR_SMTPD_EHLO_DIS_MAPS "smtpd_discard_ehlo_keyword_address_maps"
+#define DEF_SMTPD_EHLO_DIS_MAPS ""
+extern char *var_smtpd_ehlo_dis_maps;
+
+#define VAR_SMTP_EHLO_DIS_WORDS "smtp_discard_ehlo_keywords"
+#define DEF_SMTP_EHLO_DIS_WORDS ""
+#define VAR_LMTP_EHLO_DIS_WORDS "lmtp_discard_lhlo_keywords"
+#define DEF_LMTP_EHLO_DIS_WORDS ""
+extern char *var_smtp_ehlo_dis_words;
+
+#define VAR_SMTP_EHLO_DIS_MAPS "smtp_discard_ehlo_keyword_address_maps"
+#define DEF_SMTP_EHLO_DIS_MAPS ""
+#define VAR_LMTP_EHLO_DIS_MAPS "lmtp_discard_lhlo_keyword_address_maps"
+#define DEF_LMTP_EHLO_DIS_MAPS ""
+extern char *var_smtp_ehlo_dis_maps;
+
+ /*
+ * gcc workaround for warnings about empty or null format strings.
+ */
+extern const char null_format_string[1];
+
+ /*
+ * Characters to reject or strip.
+ */
+#define VAR_MSG_REJECT_CHARS "message_reject_characters"
+#define DEF_MSG_REJECT_CHARS ""
+extern char *var_msg_reject_chars;
+
+#define VAR_MSG_STRIP_CHARS "message_strip_characters"
+#define DEF_MSG_STRIP_CHARS ""
+extern char *var_msg_strip_chars;
+
+ /*
+ * Local forwarding complexity controls.
+ */
+#define VAR_FROZEN_DELIVERED "frozen_delivered_to"
+#define DEF_FROZEN_DELIVERED 1
+extern bool var_frozen_delivered;
+
+#define VAR_RESET_OWNER_ATTR "reset_owner_alias"
+#define DEF_RESET_OWNER_ATTR 0
+extern bool var_reset_owner_attr;
+
+ /*
+ * Delay logging time roundup.
+ */
+#define VAR_DELAY_MAX_RES "delay_logging_resolution_limit"
+#define MAX_DELAY_MAX_RES 6
+#define DEF_DELAY_MAX_RES 2
+#define MIN_DELAY_MAX_RES 0
+extern int var_delay_max_res;
+
+ /*
+ * Bounce message templates.
+ */
+#define VAR_BOUNCE_TMPL "bounce_template_file"
+#define DEF_BOUNCE_TMPL ""
+extern char *var_bounce_tmpl;
+
+ /*
+ * Sender-dependent authentication.
+ */
+#define VAR_SMTP_SENDER_AUTH "smtp_sender_dependent_authentication"
+#define DEF_SMTP_SENDER_AUTH 0
+#define VAR_LMTP_SENDER_AUTH "lmtp_sender_dependent_authentication"
+#define DEF_LMTP_SENDER_AUTH 0
+extern bool var_smtp_sender_auth;
+
+ /*
+ * Allow CNAME lookup result to override the server hostname.
+ */
+#define VAR_SMTP_CNAME_OVERR "smtp_cname_overrides_servername"
+#define DEF_SMTP_CNAME_OVERR 0
+#define VAR_LMTP_CNAME_OVERR "lmtp_cname_overrides_servername"
+#define DEF_LMTP_CNAME_OVERR 0
+extern bool var_smtp_cname_overr;
+
+ /*
+ * TLS library settings
+ */
+#define VAR_TLS_CNF_FILE "tls_config_file"
+#define DEF_TLS_CNF_FILE "default"
+extern char *var_tls_cnf_file;
+
+#define VAR_TLS_CNF_NAME "tls_config_name"
+#define DEF_TLS_CNF_NAME ""
+extern char *var_tls_cnf_name;
+
+
+#define VAR_TLS_HIGH_CLIST "tls_high_cipherlist"
+#define DEF_TLS_HIGH_CLIST "aNULL:-aNULL:HIGH:@STRENGTH"
+extern char *var_tls_high_clist;
+
+#define VAR_TLS_MEDIUM_CLIST "tls_medium_cipherlist"
+#define DEF_TLS_MEDIUM_CLIST "aNULL:-aNULL:HIGH:MEDIUM:+RC4:@STRENGTH"
+extern char *var_tls_medium_clist;
+
+#define VAR_TLS_LOW_CLIST "tls_low_cipherlist"
+#define DEF_TLS_LOW_CLIST "aNULL:-aNULL:HIGH:MEDIUM:LOW:+RC4:@STRENGTH"
+extern char *var_tls_low_clist;
+
+#define VAR_TLS_EXPORT_CLIST "tls_export_cipherlist"
+#define DEF_TLS_EXPORT_CLIST "aNULL:-aNULL:HIGH:MEDIUM:LOW:EXPORT:+RC4:@STRENGTH"
+extern char *var_tls_export_clist;
+
+#define VAR_TLS_NULL_CLIST "tls_null_cipherlist"
+#define DEF_TLS_NULL_CLIST "eNULL:!aNULL"
+extern char *var_tls_null_clist;
+
+#if defined(SN_X25519) && defined(NID_X25519)
+#define DEF_TLS_EECDH_AUTO_1 SN_X25519 " "
+#else
+#define DEF_TLS_EECDH_AUTO_1 ""
+#endif
+#if defined(SN_X448) && defined(NID_X448)
+#define DEF_TLS_EECDH_AUTO_2 SN_X448 " "
+#else
+#define DEF_TLS_EECDH_AUTO_2 ""
+#endif
+#if defined(SN_X9_62_prime256v1) && defined(NID_X9_62_prime256v1)
+#define DEF_TLS_EECDH_AUTO_3 SN_X9_62_prime256v1 " "
+#else
+#define DEF_TLS_EECDH_AUTO_3 ""
+#endif
+#if defined(SN_secp521r1) && defined(NID_secp521r1)
+#define DEF_TLS_EECDH_AUTO_4 SN_secp521r1 " "
+#else
+#define DEF_TLS_EECDH_AUTO_4 ""
+#endif
+#if defined(SN_secp384r1) && defined(NID_secp384r1)
+#define DEF_TLS_EECDH_AUTO_5 SN_secp384r1
+#else
+#define DEF_TLS_EECDH_AUTO_5 ""
+#endif
+
+#define VAR_TLS_EECDH_AUTO "tls_eecdh_auto_curves"
+#define DEF_TLS_EECDH_AUTO DEF_TLS_EECDH_AUTO_1 \
+ DEF_TLS_EECDH_AUTO_2 \
+ DEF_TLS_EECDH_AUTO_3 \
+ DEF_TLS_EECDH_AUTO_4 \
+ DEF_TLS_EECDH_AUTO_5
+extern char *var_tls_eecdh_auto;
+
+#define VAR_TLS_EECDH_STRONG "tls_eecdh_strong_curve"
+#define DEF_TLS_EECDH_STRONG "prime256v1"
+extern char *var_tls_eecdh_strong;
+
+#define VAR_TLS_EECDH_ULTRA "tls_eecdh_ultra_curve"
+#define DEF_TLS_EECDH_ULTRA "secp384r1"
+extern char *var_tls_eecdh_ultra;
+
+#define VAR_TLS_PREEMPT_CLIST "tls_preempt_cipherlist"
+#define DEF_TLS_PREEMPT_CLIST 0
+extern bool var_tls_preempt_clist;
+
+#define VAR_TLS_MULTI_WILDCARD "tls_wildcard_matches_multiple_labels"
+#define DEF_TLS_MULTI_WILDCARD 1
+extern bool var_tls_multi_wildcard;
+
+#define VAR_TLS_BUG_TWEAKS "tls_disable_workarounds"
+#define DEF_TLS_BUG_TWEAKS ""
+extern char *var_tls_bug_tweaks;
+
+#define VAR_TLS_SSL_OPTIONS "tls_ssl_options"
+#define DEF_TLS_SSL_OPTIONS ""
+extern char *var_tls_ssl_options;
+
+#define VAR_TLS_TKT_CIPHER "tls_session_ticket_cipher"
+#define DEF_TLS_TKT_CIPHER "aes-256-cbc"
+extern char *var_tls_tkt_cipher;
+
+#define VAR_TLS_BC_PKEY_FPRINT "tls_legacy_public_key_fingerprints"
+#define DEF_TLS_BC_PKEY_FPRINT 0
+extern bool var_tls_bc_pkey_fprint;
+
+#define VAR_TLS_SERVER_SNI_MAPS "tls_server_sni_maps"
+#define DEF_TLS_SERVER_SNI_MAPS ""
+extern char *var_tls_server_sni_maps;
+
+ /*
+ * Ordered list of DANE digest algorithms.
+ */
+#define VAR_TLS_DANE_DIGESTS "tls_dane_digests"
+#define DEF_TLS_DANE_DIGESTS "sha512 sha256"
+extern char *var_tls_dane_digests;
+
+ /*
+ * The default is incompatible with pre-TLSv1.0 protocols.
+ */
+#define VAR_TLS_FAST_SHUTDOWN "tls_fast_shutdown_enable"
+#define DEF_TLS_FAST_SHUTDOWN 1
+extern bool var_tls_fast_shutdown;
+
+ /*
+ * Sendmail-style mail filter support.
+ */
+#define VAR_SMTPD_MILTERS "smtpd_milters"
+#define DEF_SMTPD_MILTERS ""
+extern char *var_smtpd_milters;
+
+#define VAR_SMTPD_MILTER_MAPS "smtpd_milter_maps"
+#define DEF_SMTPD_MILTER_MAPS ""
+extern char *var_smtpd_milter_maps;
+
+#define SMTPD_MILTERS_DISABLE "DISABLE"
+
+#define VAR_CLEANUP_MILTERS "non_smtpd_milters"
+#define DEF_CLEANUP_MILTERS ""
+extern char *var_cleanup_milters;
+
+#define VAR_MILT_DEF_ACTION "milter_default_action"
+#define DEF_MILT_DEF_ACTION "tempfail"
+extern char *var_milt_def_action;
+
+#define VAR_MILT_CONN_MACROS "milter_connect_macros"
+#define DEF_MILT_CONN_MACROS "j {daemon_name} {daemon_addr} v _"
+extern char *var_milt_conn_macros;
+
+#define VAR_MILT_HELO_MACROS "milter_helo_macros"
+#define DEF_MILT_HELO_MACROS "{tls_version} {cipher} {cipher_bits}" \
+ " {cert_subject} {cert_issuer}"
+extern char *var_milt_helo_macros;
+
+#define VAR_MILT_MAIL_MACROS "milter_mail_macros"
+#define DEF_MILT_MAIL_MACROS "i {auth_type} {auth_authen}" \
+ " {auth_author} {mail_addr}" \
+ " {mail_host} {mail_mailer}"
+extern char *var_milt_mail_macros;
+
+#define VAR_MILT_RCPT_MACROS "milter_rcpt_macros"
+#define DEF_MILT_RCPT_MACROS "i {rcpt_addr} {rcpt_host}" \
+ " {rcpt_mailer}"
+extern char *var_milt_rcpt_macros;
+
+#define VAR_MILT_DATA_MACROS "milter_data_macros"
+#define DEF_MILT_DATA_MACROS "i"
+extern char *var_milt_data_macros;
+
+#define VAR_MILT_UNK_MACROS "milter_unknown_command_macros"
+#define DEF_MILT_UNK_MACROS ""
+extern char *var_milt_unk_macros;
+
+#define VAR_MILT_EOH_MACROS "milter_end_of_header_macros"
+#define DEF_MILT_EOH_MACROS "i"
+extern char *var_milt_eoh_macros;
+
+#define VAR_MILT_EOD_MACROS "milter_end_of_data_macros"
+#define DEF_MILT_EOD_MACROS "i"
+extern char *var_milt_eod_macros;
+
+#define VAR_MILT_CONN_TIME "milter_connect_timeout"
+#define DEF_MILT_CONN_TIME "30s"
+extern int var_milt_conn_time;
+
+#define VAR_MILT_CMD_TIME "milter_command_timeout"
+#define DEF_MILT_CMD_TIME "30s"
+extern int var_milt_cmd_time;
+
+#define VAR_MILT_MSG_TIME "milter_content_timeout"
+#define DEF_MILT_MSG_TIME "300s"
+extern int var_milt_msg_time;
+
+#define VAR_MILT_PROTOCOL "milter_protocol"
+#define DEF_MILT_PROTOCOL "6"
+extern char *var_milt_protocol;
+
+#define VAR_MILT_DEF_ACTION "milter_default_action"
+#define DEF_MILT_DEF_ACTION "tempfail"
+extern char *var_milt_def_action;
+
+#define VAR_MILT_DAEMON_NAME "milter_macro_daemon_name"
+#define DEF_MILT_DAEMON_NAME "$" VAR_MYHOSTNAME
+extern char *var_milt_daemon_name;
+
+#define VAR_MILT_V "milter_macro_v"
+#define DEF_MILT_V "$" VAR_MAIL_NAME " $" VAR_MAIL_VERSION
+extern char *var_milt_v;
+
+#define VAR_MILT_HEAD_CHECKS "milter_header_checks"
+#define DEF_MILT_HEAD_CHECKS ""
+extern char *var_milt_head_checks;
+
+#define VAR_MILT_MACRO_DEFLTS "milter_macro_defaults"
+#define DEF_MILT_MACRO_DEFLTS ""
+extern char *var_milt_macro_deflts;
+
+ /*
+ * What internal mail do we inspect/stamp/etc.? This is not yet safe enough
+ * to enable world-wide.
+ */
+#define INT_FILT_CLASS_NONE ""
+#define INT_FILT_CLASS_NOTIFY "notify"
+#define INT_FILT_CLASS_BOUNCE "bounce"
+
+#define VAR_INT_FILT_CLASSES "internal_mail_filter_classes"
+#define DEF_INT_FILT_CLASSES INT_FILT_CLASS_NONE
+extern char *var_int_filt_classes;
+
+ /*
+ * This could break logfile processors, so it's off by default.
+ */
+#define VAR_SMTPD_CLIENT_PORT_LOG "smtpd_client_port_logging"
+#define DEF_SMTPD_CLIENT_PORT_LOG 0
+extern bool var_smtpd_client_port_log;
+
+#define VAR_QMQPD_CLIENT_PORT_LOG "qmqpd_client_port_logging"
+#define DEF_QMQPD_CLIENT_PORT_LOG 0
+extern bool var_qmqpd_client_port_log;
+
+ /*
+ * Header/body checks in delivery agents.
+ */
+#define VAR_SMTP_HEAD_CHKS "smtp_header_checks"
+#define DEF_SMTP_HEAD_CHKS ""
+extern char *var_smtp_head_chks;
+
+#define VAR_SMTP_MIME_CHKS "smtp_mime_header_checks"
+#define DEF_SMTP_MIME_CHKS ""
+extern char *var_smtp_mime_chks;
+
+#define VAR_SMTP_NEST_CHKS "smtp_nested_header_checks"
+#define DEF_SMTP_NEST_CHKS ""
+extern char *var_smtp_nest_chks;
+
+#define VAR_SMTP_BODY_CHKS "smtp_body_checks"
+#define DEF_SMTP_BODY_CHKS ""
+extern char *var_smtp_body_chks;
+
+#define VAR_LMTP_HEAD_CHKS "lmtp_header_checks"
+#define DEF_LMTP_HEAD_CHKS ""
+#define VAR_LMTP_MIME_CHKS "lmtp_mime_header_checks"
+#define DEF_LMTP_MIME_CHKS ""
+#define VAR_LMTP_NEST_CHKS "lmtp_nested_header_checks"
+#define DEF_LMTP_NEST_CHKS ""
+#define VAR_LMTP_BODY_CHKS "lmtp_body_checks"
+#define DEF_LMTP_BODY_CHKS ""
+
+#define VAR_SMTP_ADDR_PREF "smtp_address_preference"
+#ifdef HAS_IPV6
+#define DEF_SMTP_ADDR_PREF INET_PROTO_NAME_ANY
+#else
+#define DEF_SMTP_ADDR_PREF INET_PROTO_NAME_IPV4
+#endif
+extern char *var_smtp_addr_pref;
+
+#define VAR_LMTP_ADDR_PREF "lmtp_address_preference"
+#define DEF_LMTP_ADDR_PREF DEF_SMTP_ADDR_PREF
+
+ /*
+ * Scheduler concurrency feedback algorithms.
+ */
+#define VAR_CONC_POS_FDBACK "default_destination_concurrency_positive_feedback"
+#define _CONC_POS_FDBACK "_destination_concurrency_positive_feedback"
+#define DEF_CONC_POS_FDBACK "1"
+extern char *var_conc_pos_feedback;
+
+#define VAR_CONC_NEG_FDBACK "default_destination_concurrency_negative_feedback"
+#define _CONC_NEG_FDBACK "_destination_concurrency_negative_feedback"
+#define DEF_CONC_NEG_FDBACK "1"
+extern char *var_conc_neg_feedback;
+
+#define CONC_FDBACK_NAME_WIN "concurrency"
+#define CONC_FDBACK_NAME_SQRT_WIN "sqrt_concurrency"
+
+#define VAR_CONC_COHORT_LIM "default_destination_concurrency_failed_cohort_limit"
+#define _CONC_COHORT_LIM "_destination_concurrency_failed_cohort_limit"
+#define DEF_CONC_COHORT_LIM 1
+extern int var_conc_cohort_limit;
+
+#define VAR_CONC_FDBACK_DEBUG "destination_concurrency_feedback_debug"
+#define DEF_CONC_FDBACK_DEBUG 0
+extern bool var_conc_feedback_debug;
+
+#define VAR_DEST_RATE_DELAY "default_destination_rate_delay"
+#define _DEST_RATE_DELAY "_destination_rate_delay"
+#define DEF_DEST_RATE_DELAY "0s"
+extern int var_dest_rate_delay;
+
+#define VAR_XPORT_RATE_DELAY "default_transport_rate_delay"
+#define _XPORT_RATE_DELAY "_transport_rate_delay"
+#define DEF_XPORT_RATE_DELAY "0s"
+extern int var_xport_rate_delay;
+
+ /*
+ * Stress handling.
+ */
+#define VAR_STRESS "stress"
+#define DEF_STRESS ""
+extern char *var_stress;
+
+ /*
+ * Mailbox ownership.
+ */
+#define VAR_STRICT_MBOX_OWNER "strict_mailbox_ownership"
+#define DEF_STRICT_MBOX_OWNER 1
+extern bool var_strict_mbox_owner;
+
+ /*
+ * Window scaling workaround.
+ */
+#define VAR_INET_WINDOW "tcp_windowsize"
+#define DEF_INET_WINDOW 0
+extern int var_inet_windowsize;
+
+ /*
+ * Plug-in multi-instance support. Only the first two parameters are used by
+ * Postfix itself; the other ones are reserved for the instance manager.
+ */
+#define VAR_MULTI_CONF_DIRS "multi_instance_directories"
+#define DEF_MULTI_CONF_DIRS ""
+extern char *var_multi_conf_dirs;
+
+#define VAR_MULTI_WRAPPER "multi_instance_wrapper"
+#define DEF_MULTI_WRAPPER ""
+extern char *var_multi_wrapper;
+
+#define VAR_MULTI_NAME "multi_instance_name"
+#define DEF_MULTI_NAME ""
+extern char *var_multi_name;
+
+#define VAR_MULTI_GROUP "multi_instance_group"
+#define DEF_MULTI_GROUP ""
+extern char *var_multi_group;
+
+#define VAR_MULTI_ENABLE "multi_instance_enable"
+#define DEF_MULTI_ENABLE 0
+extern bool var_multi_enable;
+
+ /*
+ * postmulti(1) instance manager
+ */
+#define VAR_MULTI_START_CMDS "postmulti_start_commands"
+#define DEF_MULTI_START_CMDS "start"
+extern char *var_multi_start_cmds;
+
+#define VAR_MULTI_STOP_CMDS "postmulti_stop_commands"
+#define DEF_MULTI_STOP_CMDS "stop abort drain quick-stop"
+extern char *var_multi_stop_cmds;
+
+#define VAR_MULTI_CNTRL_CMDS "postmulti_control_commands"
+#define DEF_MULTI_CNTRL_CMDS "reload flush"
+extern char *var_multi_cntrl_cmds;
+
+ /*
+ * postscreen(8)
+ */
+#define VAR_PSC_CACHE_MAP "postscreen_cache_map"
+#define DEF_PSC_CACHE_MAP "btree:$data_directory/postscreen_cache"
+extern char *var_psc_cache_map;
+
+#define VAR_SMTPD_SERVICE "smtpd_service_name"
+#define DEF_SMTPD_SERVICE "smtpd"
+extern char *var_smtpd_service;
+
+#define VAR_PSC_POST_QLIMIT "postscreen_post_queue_limit"
+#define DEF_PSC_POST_QLIMIT "$" VAR_PROC_LIMIT
+extern int var_psc_post_queue_limit;
+
+#define VAR_PSC_PRE_QLIMIT "postscreen_pre_queue_limit"
+#define DEF_PSC_PRE_QLIMIT "$" VAR_PROC_LIMIT
+extern int var_psc_pre_queue_limit;
+
+#define VAR_PSC_CACHE_RET "postscreen_cache_retention_time"
+#define DEF_PSC_CACHE_RET "7d"
+extern int var_psc_cache_ret;
+
+#define VAR_PSC_CACHE_SCAN "postscreen_cache_cleanup_interval"
+#define DEF_PSC_CACHE_SCAN "12h"
+extern int var_psc_cache_scan;
+
+#define VAR_PSC_GREET_WAIT "postscreen_greet_wait"
+#define DEF_PSC_GREET_WAIT "${stress?{2}:{6}}s"
+extern int var_psc_greet_wait;
+
+#define VAR_PSC_PREGR_BANNER "postscreen_greet_banner"
+#define DEF_PSC_PREGR_BANNER "$" VAR_SMTPD_BANNER
+extern char *var_psc_pregr_banner;
+
+#define VAR_PSC_PREGR_ENABLE "postscreen_greet_enable"
+#define DEF_PSC_PREGR_ENABLE no
+extern char *var_psc_pregr_enable;
+
+#define VAR_PSC_PREGR_ACTION "postscreen_greet_action"
+#define DEF_PSC_PREGR_ACTION "ignore"
+extern char *var_psc_pregr_action;
+
+#define VAR_PSC_PREGR_TTL "postscreen_greet_ttl"
+#define DEF_PSC_PREGR_TTL "1d"
+extern int var_psc_pregr_ttl;
+
+#define VAR_PSC_DNSBL_SITES "postscreen_dnsbl_sites"
+#define DEF_PSC_DNSBL_SITES ""
+extern char *var_psc_dnsbl_sites;
+
+#define VAR_PSC_DNSBL_THRESH "postscreen_dnsbl_threshold"
+#define DEF_PSC_DNSBL_THRESH 1
+extern int var_psc_dnsbl_thresh;
+
+#define VAR_PSC_DNSBL_WTHRESH "postscreen_dnsbl_whitelist_threshold"
+#define DEF_PSC_DNSBL_WTHRESH 0
+extern int var_psc_dnsbl_wthresh;
+
+#define VAR_PSC_DNSBL_ENABLE "postscreen_dnsbl_enable"
+#define DEF_PSC_DNSBL_ENABLE 0
+extern char *var_psc_dnsbl_enable;
+
+#define VAR_PSC_DNSBL_ACTION "postscreen_dnsbl_action"
+#define DEF_PSC_DNSBL_ACTION "ignore"
+extern char *var_psc_dnsbl_action;
+
+#define VAR_PSC_DNSBL_MIN_TTL "postscreen_dnsbl_min_ttl"
+#define DEF_PSC_DNSBL_MIN_TTL "60s"
+extern int var_psc_dnsbl_min_ttl;
+
+#define VAR_PSC_DNSBL_MAX_TTL "postscreen_dnsbl_max_ttl"
+#define DEF_PSC_DNSBL_MAX_TTL "${postscreen_dnsbl_ttl?{$postscreen_dnsbl_ttl}:{1}}h"
+extern int var_psc_dnsbl_max_ttl;
+
+#define VAR_PSC_DNSBL_REPLY "postscreen_dnsbl_reply_map"
+#define DEF_PSC_DNSBL_REPLY ""
+extern char *var_psc_dnsbl_reply;
+
+#define VAR_PSC_DNSBL_TMOUT "postscreen_dnsbl_timeout"
+#define DEF_PSC_DNSBL_TMOUT "10s"
+extern int var_psc_dnsbl_tmout;
+
+#define VAR_PSC_PIPEL_ENABLE "postscreen_pipelining_enable"
+#define DEF_PSC_PIPEL_ENABLE 0
+extern bool var_psc_pipel_enable;
+
+#define VAR_PSC_PIPEL_ACTION "postscreen_pipelining_action"
+#define DEF_PSC_PIPEL_ACTION "enforce"
+extern char *var_psc_pipel_action;
+
+#define VAR_PSC_PIPEL_TTL "postscreen_pipelining_ttl"
+#define DEF_PSC_PIPEL_TTL "30d"
+extern int var_psc_pipel_ttl;
+
+#define VAR_PSC_NSMTP_ENABLE "postscreen_non_smtp_command_enable"
+#define DEF_PSC_NSMTP_ENABLE 0
+extern bool var_psc_nsmtp_enable;
+
+#define VAR_PSC_NSMTP_ACTION "postscreen_non_smtp_command_action"
+#define DEF_PSC_NSMTP_ACTION "drop"
+extern char *var_psc_nsmtp_action;
+
+#define VAR_PSC_NSMTP_TTL "postscreen_non_smtp_command_ttl"
+#define DEF_PSC_NSMTP_TTL "30d"
+extern int var_psc_nsmtp_ttl;
+
+#define VAR_PSC_BARLF_ENABLE "postscreen_bare_newline_enable"
+#define DEF_PSC_BARLF_ENABLE 0
+extern bool var_psc_barlf_enable;
+
+#define VAR_PSC_BARLF_ACTION "postscreen_bare_newline_action"
+#define DEF_PSC_BARLF_ACTION "ignore"
+extern char *var_psc_barlf_action;
+
+#define VAR_PSC_BARLF_TTL "postscreen_bare_newline_ttl"
+#define DEF_PSC_BARLF_TTL "30d"
+extern int var_psc_barlf_ttl;
+
+#define VAR_PSC_BLIST_ACTION "postscreen_blacklist_action"
+#define DEF_PSC_BLIST_ACTION "ignore"
+extern char *var_psc_blist_nets;
+
+#define VAR_PSC_CMD_COUNT "postscreen_command_count_limit"
+#define DEF_PSC_CMD_COUNT 20
+extern int var_psc_cmd_count;
+
+#define VAR_PSC_CMD_TIME "postscreen_command_time_limit"
+#define DEF_PSC_CMD_TIME DEF_SMTPD_TMOUT
+extern int var_psc_cmd_time;
+
+#define VAR_PSC_WATCHDOG "postscreen_watchdog_timeout"
+#define DEF_PSC_WATCHDOG "10s"
+extern int var_psc_watchdog;
+
+#define VAR_PSC_EHLO_DIS_WORDS "postscreen_discard_ehlo_keywords"
+#define DEF_PSC_EHLO_DIS_WORDS "$" VAR_SMTPD_EHLO_DIS_WORDS
+extern char *var_psc_ehlo_dis_words;
+
+#define VAR_PSC_EHLO_DIS_MAPS "postscreen_discard_ehlo_keyword_address_maps"
+#define DEF_PSC_EHLO_DIS_MAPS "$" VAR_SMTPD_EHLO_DIS_MAPS
+extern char *var_psc_ehlo_dis_maps;
+
+#define VAR_PSC_TLS_LEVEL "postscreen_tls_security_level"
+#define DEF_PSC_TLS_LEVEL "$" VAR_SMTPD_TLS_LEVEL
+extern char *var_psc_tls_level;
+
+#define VAR_PSC_USE_TLS "postscreen_use_tls"
+#define DEF_PSC_USE_TLS "$" VAR_SMTPD_USE_TLS
+extern bool var_psc_use_tls;
+
+#define VAR_PSC_ENFORCE_TLS "postscreen_enforce_tls"
+#define DEF_PSC_ENFORCE_TLS "$" VAR_SMTPD_ENFORCE_TLS
+extern bool var_psc_enforce_tls;
+
+#define VAR_PSC_FORBID_CMDS "postscreen_forbidden_commands"
+#define DEF_PSC_FORBID_CMDS "$" VAR_SMTPD_FORBID_CMDS
+extern char *var_psc_forbid_cmds;
+
+#define VAR_PSC_HELO_REQUIRED "postscreen_helo_required"
+#define DEF_PSC_HELO_REQUIRED "$" VAR_HELO_REQUIRED
+extern bool var_psc_helo_required;
+
+#define VAR_PSC_DISABLE_VRFY "postscreen_disable_vrfy_command"
+#define DEF_PSC_DISABLE_VRFY "$" VAR_DISABLE_VRFY_CMD
+extern bool var_psc_disable_vrfy;
+
+#define VAR_PSC_CCONN_LIMIT "postscreen_client_connection_count_limit"
+#define DEF_PSC_CCONN_LIMIT "$" VAR_SMTPD_CCONN_LIMIT
+extern int var_psc_cconn_limit;
+
+#define VAR_PSC_REJ_FOOTER "postscreen_reject_footer"
+#define DEF_PSC_REJ_FOOTER "$" VAR_SMTPD_REJ_FOOTER
+extern char *var_psc_rej_footer;
+
+#define VAR_PSC_REJ_FTR_MAPS "postscreen_reject_footer_maps"
+#define DEF_PSC_REJ_FTR_MAPS "$" VAR_SMTPD_REJ_FTR_MAPS
+extern char *var_psc_rej_ftr_maps;
+
+#define VAR_PSC_EXP_FILTER "postscreen_expansion_filter"
+#define DEF_PSC_EXP_FILTER "$" VAR_SMTPD_EXP_FILTER
+extern char *var_psc_exp_filter;
+
+#define VAR_PSC_CMD_FILTER "postscreen_command_filter"
+#define DEF_PSC_CMD_FILTER ""
+extern char *var_psc_cmd_filter;
+
+#define VAR_PSC_ACL "postscreen_access_list"
+#define DEF_PSC_ACL SERVER_ACL_NAME_WL_MYNETWORKS
+extern char *var_psc_acl;
+
+#define VAR_PSC_WLIST_IF "postscreen_whitelist_interfaces"
+#define DEF_PSC_WLIST_IF "static:all"
+extern char *var_psc_wlist_if;
+
+#define NOPROXY_PROTO_NAME ""
+
+#define VAR_PSC_UPROXY_PROTO "postscreen_upstream_proxy_protocol"
+#define DEF_PSC_UPROXY_PROTO NOPROXY_PROTO_NAME
+extern char *var_psc_uproxy_proto;
+
+#define VAR_PSC_UPROXY_TMOUT "postscreen_upstream_proxy_timeout"
+#define DEF_PSC_UPROXY_TMOUT "5s"
+extern int var_psc_uproxy_tmout;
+
+#define VAR_DNSBLOG_SERVICE "dnsblog_service_name"
+#define DEF_DNSBLOG_SERVICE MAIL_SERVICE_DNSBLOG
+extern char *var_dnsblog_service;
+
+#define VAR_DNSBLOG_DELAY "dnsblog_reply_delay"
+#define DEF_DNSBLOG_DELAY "0s"
+extern int var_dnsblog_delay;
+
+#define VAR_TLSPROXY_SERVICE "tlsproxy_service_name"
+#define DEF_TLSPROXY_SERVICE MAIL_SERVICE_TLSPROXY
+extern char *var_tlsproxy_service;
+
+#define VAR_TLSP_WATCHDOG "tlsproxy_watchdog_timeout"
+#define DEF_TLSP_WATCHDOG "10s"
+extern int var_tlsp_watchdog;
+
+#define VAR_TLSP_TLS_LEVEL "tlsproxy_tls_security_level"
+#define DEF_TLSP_TLS_LEVEL "$" VAR_SMTPD_TLS_LEVEL
+extern char *var_tlsp_tls_level;
+
+#define VAR_TLSP_USE_TLS "tlsproxy_use_tls"
+#define DEF_TLSP_USE_TLS "$" VAR_SMTPD_USE_TLS
+extern bool var_tlsp_use_tls;
+
+#define VAR_TLSP_ENFORCE_TLS "tlsproxy_enforce_tls"
+#define DEF_TLSP_ENFORCE_TLS "$" VAR_SMTPD_ENFORCE_TLS
+extern bool var_tlsp_enforce_tls;
+
+#define VAR_TLSP_TLS_ACERT "tlsproxy_tls_ask_ccert"
+#define DEF_TLSP_TLS_ACERT "$" VAR_SMTPD_TLS_ACERT
+extern bool var_tlsp_tls_ask_ccert;
+
+#define VAR_TLSP_TLS_RCERT "tlsproxy_tls_req_ccert"
+#define DEF_TLSP_TLS_RCERT "$" VAR_SMTPD_TLS_RCERT
+extern bool var_tlsp_tls_req_ccert;
+
+#define VAR_TLSP_TLS_CCERT_VD "tlsproxy_tls_ccert_verifydepth"
+#define DEF_TLSP_TLS_CCERT_VD "$" VAR_SMTPD_TLS_CCERT_VD
+extern int var_tlsp_tls_ccert_vd;
+
+#define VAR_TLSP_TLS_CHAIN_FILES "tlsproxy_tls_chain_files"
+#define DEF_TLSP_TLS_CHAIN_FILES "$" VAR_SMTPD_TLS_CHAIN_FILES
+extern char *var_tlsp_tls_chain_files;
+
+#define VAR_TLSP_TLS_CERT_FILE "tlsproxy_tls_cert_file"
+#define DEF_TLSP_TLS_CERT_FILE "$" VAR_SMTPD_TLS_CERT_FILE
+extern char *var_tlsp_tls_cert_file;
+
+#define VAR_TLSP_TLS_KEY_FILE "tlsproxy_tls_key_file"
+#define DEF_TLSP_TLS_KEY_FILE "$" VAR_SMTPD_TLS_KEY_FILE
+extern char *var_tlsp_tls_key_file;
+
+#define VAR_TLSP_TLS_DCERT_FILE "tlsproxy_tls_dcert_file"
+#define DEF_TLSP_TLS_DCERT_FILE "$" VAR_SMTPD_TLS_DCERT_FILE
+extern char *var_tlsp_tls_dcert_file;
+
+#define VAR_TLSP_TLS_DKEY_FILE "tlsproxy_tls_dkey_file"
+#define DEF_TLSP_TLS_DKEY_FILE "$" VAR_SMTPD_TLS_DKEY_FILE
+extern char *var_tlsp_tls_dkey_file;
+
+#define VAR_TLSP_TLS_ECCERT_FILE "tlsproxy_tls_eccert_file"
+#define DEF_TLSP_TLS_ECCERT_FILE "$" VAR_SMTPD_TLS_ECCERT_FILE
+extern char *var_tlsp_tls_eccert_file;
+
+#define VAR_TLSP_TLS_ECKEY_FILE "tlsproxy_tls_eckey_file"
+#define DEF_TLSP_TLS_ECKEY_FILE "$" VAR_SMTPD_TLS_ECKEY_FILE
+extern char *var_tlsp_tls_eckey_file;
+
+#define DEF_TLSP_TLS_ECKEY_FILE "$" VAR_SMTPD_TLS_ECKEY_FILE
+extern char *var_tlsp_tls_eckey_file;
+
+#define VAR_TLSP_TLS_CA_FILE "tlsproxy_tls_CAfile"
+#define DEF_TLSP_TLS_CA_FILE "$" VAR_SMTPD_TLS_CA_FILE
+extern char *var_tlsp_tls_CAfile;
+
+#define VAR_TLSP_TLS_CA_PATH "tlsproxy_tls_CApath"
+#define DEF_TLSP_TLS_CA_PATH "$" VAR_SMTPD_TLS_CA_PATH
+extern char *var_tlsp_tls_CApath;
+
+#define VAR_TLSP_TLS_PROTO "tlsproxy_tls_protocols"
+#define DEF_TLSP_TLS_PROTO "$" VAR_SMTPD_TLS_PROTO
+extern char *var_tlsp_tls_proto;
+
+#define VAR_TLSP_TLS_MAND_PROTO "tlsproxy_tls_mandatory_protocols"
+#define DEF_TLSP_TLS_MAND_PROTO "$" VAR_SMTPD_TLS_MAND_PROTO
+extern char *var_tlsp_tls_mand_proto;
+
+#define VAR_TLSP_TLS_CIPH "tlsproxy_tls_ciphers"
+#define DEF_TLSP_TLS_CIPH "$" VAR_SMTPD_TLS_CIPH
+extern char *var_tlsp_tls_ciph;
+
+#define VAR_TLSP_TLS_MAND_CIPH "tlsproxy_tls_mandatory_ciphers"
+#define DEF_TLSP_TLS_MAND_CIPH "$" VAR_SMTPD_TLS_MAND_CIPH
+extern char *var_tlsp_tls_mand_ciph;
+
+#define VAR_TLSP_TLS_EXCL_CIPH "tlsproxy_tls_exclude_ciphers"
+#define DEF_TLSP_TLS_EXCL_CIPH "$" VAR_SMTPD_TLS_EXCL_CIPH
+extern char *var_tlsp_tls_excl_ciph;
+
+#define VAR_TLSP_TLS_MAND_EXCL "tlsproxy_tls_mandatory_exclude_ciphers"
+#define DEF_TLSP_TLS_MAND_EXCL "$" VAR_SMTPD_TLS_MAND_EXCL
+extern char *var_tlsp_tls_mand_excl;
+
+#define VAR_TLSP_TLS_FPT_DGST "tlsproxy_tls_fingerprint_digest"
+#define DEF_TLSP_TLS_FPT_DGST "$" VAR_SMTPD_TLS_FPT_DGST
+extern char *var_tlsp_tls_fpt_dgst;
+
+#define VAR_TLSP_TLS_512_FILE "tlsproxy_tls_dh512_param_file"
+#define DEF_TLSP_TLS_512_FILE "$" VAR_SMTPD_TLS_512_FILE
+extern char *var_tlsp_tls_dh512_param_file;
+
+#define VAR_TLSP_TLS_1024_FILE "tlsproxy_tls_dh1024_param_file"
+#define DEF_TLSP_TLS_1024_FILE "$" VAR_SMTPD_TLS_1024_FILE
+extern char *var_tlsp_tls_dh1024_param_file;
+
+#define VAR_TLSP_TLS_EECDH "tlsproxy_tls_eecdh_grade"
+#define DEF_TLSP_TLS_EECDH "$" VAR_SMTPD_TLS_EECDH
+extern char *var_tlsp_tls_eecdh;
+
+#define VAR_TLSP_TLS_LOGLEVEL "tlsproxy_tls_loglevel"
+#define DEF_TLSP_TLS_LOGLEVEL "$" VAR_SMTPD_TLS_LOGLEVEL
+extern char *var_tlsp_tls_loglevel;
+
+#define VAR_TLSP_TLS_RECHEAD "tlsproxy_tls_received_header"
+#define DEF_TLSP_TLS_RECHEAD "$" VAR_SMTPD_TLS_RECHEAD
+extern bool var_tlsp_tls_received_header;
+
+#define VAR_TLSP_TLS_SET_SESSID "tlsproxy_tls_always_issue_session_ids"
+#define DEF_TLSP_TLS_SET_SESSID "$" VAR_SMTPD_TLS_SET_SESSID
+extern bool var_tlsp_tls_set_sessid;
+
+ /*
+ * Workaround for tlsproxy(8) pre-jail client certs/keys access.
+ */
+#define VAR_TLSP_CLNT_LOGLEVEL "tlsproxy_client_loglevel"
+#define DEF_TLSP_CLNT_LOGLEVEL "$" VAR_SMTP_TLS_LOGLEVEL
+extern char *var_tlsp_clnt_loglevel;
+
+#define VAR_TLSP_CLNT_LOGPARAM "tlsproxy_client_loglevel_parameter"
+#define DEF_TLSP_CLNT_LOGPARAM VAR_SMTP_TLS_LOGLEVEL
+extern char *var_tlsp_clnt_logparam;
+
+#define VAR_TLSP_CLNT_SCERT_VD "tlsproxy_client_scert_verifydepth"
+#define DEF_TLSP_CLNT_SCERT_VD "$" VAR_SMTP_TLS_SCERT_VD
+extern int var_tlsp_clnt_scert_vd;
+
+#define VAR_TLSP_CLNT_CHAIN_FILES "tlsproxy_client_chain_files"
+#define DEF_TLSP_CLNT_CHAIN_FILES "$" VAR_SMTP_TLS_CHAIN_FILES
+extern char *var_tlsp_clnt_chain_files;
+
+#define VAR_TLSP_CLNT_CERT_FILE "tlsproxy_client_cert_file"
+#define DEF_TLSP_CLNT_CERT_FILE "$" VAR_SMTP_TLS_CERT_FILE
+extern char *var_tlsp_clnt_cert_file;
+
+#define VAR_TLSP_CLNT_KEY_FILE "tlsproxy_client_key_file"
+#define DEF_TLSP_CLNT_KEY_FILE "$" VAR_SMTP_TLS_KEY_FILE
+extern char *var_tlsp_clnt_key_file;
+
+#define VAR_TLSP_CLNT_DCERT_FILE "tlsproxy_client_dcert_file"
+#define DEF_TLSP_CLNT_DCERT_FILE "$" VAR_SMTP_TLS_DCERT_FILE
+extern char *var_tlsp_clnt_dcert_file;
+
+#define VAR_TLSP_CLNT_DKEY_FILE "tlsproxy_client_dkey_file"
+#define DEF_TLSP_CLNT_DKEY_FILE "$" VAR_SMTP_TLS_DKEY_FILE
+extern char *var_tlsp_clnt_dkey_file;
+
+#define VAR_TLSP_CLNT_ECCERT_FILE "tlsproxy_client_eccert_file"
+#define DEF_TLSP_CLNT_ECCERT_FILE "$" VAR_SMTP_TLS_ECCERT_FILE
+extern char *var_tlsp_clnt_eccert_file;
+
+#define VAR_TLSP_CLNT_ECKEY_FILE "tlsproxy_client_eckey_file"
+#define DEF_TLSP_CLNT_ECKEY_FILE "$" VAR_SMTP_TLS_ECKEY_FILE
+extern char *var_tlsp_clnt_eckey_file;
+
+#define VAR_TLSP_CLNT_CAFILE "tlsproxy_client_CAfile"
+#define DEF_TLSP_CLNT_CAFILE "$" VAR_SMTP_TLS_CA_FILE
+extern char *var_tlsp_clnt_CAfile;
+
+#define VAR_TLSP_CLNT_CAPATH "tlsproxy_client_CApath"
+#define DEF_TLSP_CLNT_CAPATH "$" VAR_SMTP_TLS_CA_PATH
+extern char *var_tlsp_clnt_CApath;
+
+#define VAR_TLSP_CLNT_FPT_DGST "tlsproxy_client_fingerprint_digest"
+#define DEF_TLSP_CLNT_FPT_DGST "$" VAR_SMTP_TLS_FPT_DGST
+extern char *var_tlsp_clnt_fpt_dgst;
+
+#define VAR_TLSP_CLNT_USE_TLS "tlsproxy_client_use_tls"
+#define DEF_TLSP_CLNT_USE_TLS "$" VAR_SMTP_USE_TLS
+extern bool var_tlsp_clnt_use_tls;
+
+#define VAR_TLSP_CLNT_ENFORCE_TLS "tlsproxy_client_enforce_tls"
+#define DEF_TLSP_CLNT_ENFORCE_TLS "$" VAR_SMTP_ENFORCE_TLS
+extern bool var_tlsp_clnt_enforce_tls;
+
+#define VAR_TLSP_CLNT_LEVEL "tlsproxy_client_level"
+#define DEF_TLSP_CLNT_LEVEL "$" VAR_SMTP_TLS_LEVEL
+extern char *var_tlsp_clnt_level;
+
+#define VAR_TLSP_CLNT_PER_SITE "tlsproxy_client_per_site"
+#define DEF_TLSP_CLNT_PER_SITE "$" VAR_SMTP_TLS_PER_SITE
+extern char *var_tlsp_clnt_per_site;
+
+#define VAR_TLSP_CLNT_POLICY "tlsproxy_client_policy"
+#define DEF_TLSP_CLNT_POLICY "$" VAR_SMTP_TLS_POLICY
+extern char *var_tlsp_clnt_policy;
+
+ /*
+ * SMTPD "reject" contact info.
+ */
+#define VAR_SMTPD_REJ_FOOTER "smtpd_reject_footer"
+#define DEF_SMTPD_REJ_FOOTER ""
+extern char *var_smtpd_rej_footer;
+
+#define VAR_SMTPD_REJ_FTR_MAPS "smtpd_reject_footer_maps"
+#define DEF_SMTPD_REJ_FTR_MAPS ""
+extern char *var_smtpd_rej_ftr_maps;
+
+ /*
+ * Per-record time limit support.
+ */
+#define VAR_SMTPD_REC_DEADLINE "smtpd_per_record_deadline"
+#define DEF_SMTPD_REC_DEADLINE "${stress?{yes}:{no}}"
+extern bool var_smtpd_rec_deadline;
+
+#define VAR_SMTP_REC_DEADLINE "smtp_per_record_deadline"
+#define DEF_SMTP_REC_DEADLINE 0
+#define VAR_LMTP_REC_DEADLINE "lmtp_per_record_deadline"
+#define DEF_LMTP_REC_DEADLINE 0
+extern bool var_smtp_rec_deadline;
+
+ /*
+ * Permit logging.
+ */
+#define VAR_SMTPD_ACL_PERM_LOG "smtpd_log_access_permit_actions"
+#define DEF_SMTPD_ACL_PERM_LOG ""
+extern char *var_smtpd_acl_perm_log;
+
+ /*
+ * Before-smtpd proxy support.
+ */
+#define VAR_SMTPD_UPROXY_PROTO "smtpd_upstream_proxy_protocol"
+#define DEF_SMTPD_UPROXY_PROTO ""
+extern char *var_smtpd_uproxy_proto;
+
+#define VAR_SMTPD_UPROXY_TMOUT "smtpd_upstream_proxy_timeout"
+#define DEF_SMTPD_UPROXY_TMOUT "5s"
+extern int var_smtpd_uproxy_tmout;
+
+ /*
+ * Postfix sendmail command compatibility features.
+ */
+#define SM_FIX_EOL_STRICT "strict"
+#define SM_FIX_EOL_NEVER "never"
+#define SM_FIX_EOL_ALWAYS "always"
+
+#define VAR_SM_FIX_EOL "sendmail_fix_line_endings"
+#define DEF_SM_FIX_EOL SM_FIX_EOL_ALWAYS
+extern char *var_sm_fix_eol;
+
+ /*
+ * Gradual degradation, or fatal exit after table open error?
+ */
+#define VAR_DAEMON_OPEN_FATAL "daemon_table_open_error_is_fatal"
+#define DEF_DAEMON_OPEN_FATAL 0
+extern bool var_daemon_open_fatal;
+
+ /*
+ * Optional delivery status filter.
+ */
+#define VAR_DSN_FILTER "default_delivery_status_filter"
+#define DEF_DSN_FILTER ""
+extern char *var_dsn_filter;
+
+#define VAR_SMTP_DSN_FILTER "smtp_delivery_status_filter"
+#define DEF_SMTP_DSN_FILTER "$" VAR_DSN_FILTER
+#define VAR_LMTP_DSN_FILTER "lmtp_delivery_status_filter"
+#define DEF_LMTP_DSN_FILTER "$" VAR_DSN_FILTER
+extern char *var_smtp_dsn_filter;
+
+#define VAR_PIPE_DSN_FILTER "pipe_delivery_status_filter"
+#define DEF_PIPE_DSN_FILTER "$" VAR_DSN_FILTER
+extern char *var_pipe_dsn_filter;
+
+#define VAR_VIRT_DSN_FILTER "virtual_delivery_status_filter"
+#define DEF_VIRT_DSN_FILTER "$" VAR_DSN_FILTER
+extern char *var_virt_dsn_filter;
+
+#define VAR_LOCAL_DSN_FILTER "local_delivery_status_filter"
+#define DEF_LOCAL_DSN_FILTER "$" VAR_DSN_FILTER
+extern char *var_local_dsn_filter;
+
+ /*
+ * Optional DNS reply filter.
+ */
+#define VAR_SMTP_DNS_RE_FILTER "smtp_dns_reply_filter"
+#define DEF_SMTP_DNS_RE_FILTER ""
+#define VAR_LMTP_DNS_RE_FILTER "lmtp_dns_reply_filter"
+#define DEF_LMTP_DNS_RE_FILTER ""
+extern char *var_smtp_dns_re_filter;
+
+#define VAR_SMTPD_DNS_RE_FILTER "smtpd_dns_reply_filter"
+#define DEF_SMTPD_DNS_RE_FILTER ""
+extern char *var_smtpd_dns_re_filter;
+
+ /*
+ * Backwards compatibility.
+ */
+#define VAR_SMTPD_FORBID_BARE_LF "smtpd_forbid_bare_newline"
+#define DEF_SMTPD_FORBID_BARE_LF "no"
+
+#define VAR_SMTPD_FORBID_BARE_LF_EXCL "smtpd_forbid_bare_newline_exclusions"
+#define DEF_SMTPD_FORBID_BARE_LF_EXCL "$" VAR_MYNETWORKS
+
+#define VAR_SMTPD_FORBID_BARE_LF_CODE "smtpd_forbid_bare_newline_reject_code"
+#define DEF_SMTPD_FORBID_BARE_LF_CODE 550
+
+#define VAR_CLEANUP_MASK_STRAY_CR_LF "cleanup_replace_stray_cr_lf"
+#define DEF_CLEANUP_MASK_STRAY_CR_LF 1
+extern int var_cleanup_mask_stray_cr_lf;
+
+ /*
+ * Share TLS sessions through tlsproxy(8).
+ */
+#define VAR_SMTP_TLS_CONN_REUSE "smtp_tls_connection_reuse"
+#define DEF_SMTP_TLS_CONN_REUSE 0
+#define VAR_LMTP_TLS_CONN_REUSE "lmtp_tls_connection_reuse"
+#define DEF_LMTP_TLS_CONN_REUSE 0
+extern bool var_smtp_tls_conn_reuse;
+
+ /*
+ * Location of shared-library files.
+ *
+ * If the files will be installed into a known directory, such as a directory
+ * that is processed with the ldconfig(1) command, then the shlib_directory
+ * parameter may be configured at installation time.
+ *
+ * Otherwise, the shlib_directory parameter must be specified at compile time,
+ * and it cannot be changed afterwards.
+ */
+#define VAR_SHLIB_DIR "shlib_directory"
+#ifndef DEF_SHLIB_DIR
+#define DEF_SHLIB_DIR "/usr/lib/postfix"
+#endif
+extern char *var_shlib_dir;
+
+#define VAR_META_DIR "meta_directory"
+#ifndef DEF_META_DIR
+#define DEF_META_DIR DEF_CONFIG_DIR
+#endif
+extern char *var_meta_dir;
+
+ /*
+ * SMTPUTF8 support.
+ */
+#define VAR_SMTPUTF8_ENABLE "smtputf8_enable"
+#ifndef DEF_SMTPUTF8_ENABLE
+#define DEF_SMTPUTF8_ENABLE "${{$compatibility_level} < {1} ? " \
+ "{no} : {yes}}"
+#endif
+extern int var_smtputf8_enable;
+
+#define VAR_STRICT_SMTPUTF8 "strict_smtputf8"
+#define DEF_STRICT_SMTPUTF8 0
+extern int var_strict_smtputf8;
+
+#define VAR_SMTPUTF8_AUTOCLASS "smtputf8_autodetect_classes"
+#define DEF_SMTPUTF8_AUTOCLASS MAIL_SRC_NAME_SENDMAIL ", " \
+ MAIL_SRC_NAME_VERIFY
+extern char *var_smtputf8_autoclass;
+
+#define VAR_IDNA2003_COMPAT "enable_idna2003_compatibility"
+#define DEF_IDNA2003_COMPAT "no"
+extern int var_idna2003_compat;
+
+ /*
+ * Workaround for future incompatibility. Our implementation of RFC 2308
+ * negative reply caching relies on the promise that res_query() and
+ * res_search() invoke res_send(), which returns the server response in an
+ * application buffer even if the requested record does not exist. If this
+ * promise is broken, we have a workaround that is good enough for DNS
+ * reputation lookups.
+ */
+#define VAR_DNS_NCACHE_TTL_FIX "dns_ncache_ttl_fix_enable"
+#define DEF_DNS_NCACHE_TTL_FIX 0
+extern bool var_dns_ncache_ttl_fix;
+
+ /*
+ * Logging. As systems evolve over time, logging becomes more challenging.
+ */
+#define VAR_MAILLOG_FILE "maillog_file"
+#define DEF_MAILLOG_FILE ""
+extern char *var_maillog_file;
+
+#define VAR_MAILLOG_FILE_PFXS "maillog_file_prefixes"
+#define DEF_MAILLOG_FILE_PFXS "/var, /dev/stdout"
+extern char *var_maillog_file_pfxs;
+
+#define VAR_MAILLOG_FILE_COMP "maillog_file_compressor"
+#define DEF_MAILLOG_FILE_COMP "gzip"
+extern char *var_maillog_file_comp;
+
+#define VAR_MAILLOG_FILE_STAMP "maillog_file_rotate_suffix"
+#define DEF_MAILLOG_FILE_STAMP "%Y%m%d-%H%M%S"
+extern char *var_maillog_file_stamp;
+
+#define VAR_POSTLOG_SERVICE "postlog_service_name"
+#define DEF_POSTLOG_SERVICE MAIL_SERVICE_POSTLOG
+extern char *var_postlog_service;
+
+#define VAR_POSTLOGD_WATCHDOG "postlogd_watchdog_timeout"
+#define DEF_POSTLOGD_WATCHDOG "10s"
+extern int var_postlogd_watchdog;
+
+ /*
+ * Backwards compatibility for internal-form address logging.
+ */
+#define INFO_LOG_ADDR_FORM_NAME_EXTERNAL "external"
+#define INFO_LOG_ADDR_FORM_NAME_INTERNAL "internal"
+
+#define VAR_INFO_LOG_ADDR_FORM "info_log_address_format"
+#define DEF_INFO_LOG_ADDR_FORM INFO_LOG_ADDR_FORM_NAME_EXTERNAL
+extern char *var_info_log_addr_form;
+
+ /*
+ * DNSSEC probing, to find out if DNSSEC validation is available.
+ */
+#define VAR_DNSSEC_PROBE "dnssec_probe"
+#define DEF_DNSSEC_PROBE "ns:."
+extern char *var_dnssec_probe;
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*
+/* Wietse Venema
+/* Google, Inc.
+/* 111 8th Avenue
+/* New York, NY 10011, USA
+/*--*/
+
+#endif